Curso opções binárias iq option

The question curso opções binárias iq option idea

Como funciona a IQ Option - Vale Apena ?, time: 11:49

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5 Ways To Find Support and Resistance With Price Action and Volume. Well, I think what worked in the first example was the entry bar was above the price point of the first RSI2 signal, therefore it was in the direction of the setup. Evan Evans says. In the second example, the entry bar was ABOVE the price point of the first RSI2 signal, therefore it wasn t in the direction of the setup and it could have easily been ignored.

I agree completely. I pay more attention to swing points in my trading which explains the formulation of the trading rules as above. Your point makes excellent sense. Mmm, I see, though I bet that happens often price breaking back a little retracement before the bigger move. I d have to backtest to see if that eliminates too many good trades. But what I was saying about the entry trigger bar not being in the direction of the setup, agrees also with what you just said partly, because if the price never broke back against the first RSI2 price point, than logically the entry trigger would HAVE to be in the direction of the setup.

What I like about my little tweak, is, it does allow for some retracement, and inevitable noise, between RSI2 trigger 1, and RSI2 trigger 2 entry bar. But that s completely just my human instinct, not backtested or even checked against any existing historical data. My day trading experience tells me the same, that it pays to hold through some crazy pullbacks.

From my observation, price breaking back doesn t happen much in clear strong trends, which is the market state I am targeting with this approach. Like in the first example, where RSI2 became oversold several times without breaking below previous swing lows. Hi Gale, and also, as I delve deeper into understanding this strategy, can you explain perhaps a little more about how you determine the swing high used before the first RSI2 signal. It says The RSI dropped below 5. We marked it with the dotted line and watched it closely.

Can you put more into context how you determine that. A higher high. As a daytrader, I find holding fast through pullbacks and other crazy market noise, pays off, and my instinct suspects, that if this strategy does allow for some pullback and re-thrust in the direction of the setup, that it will get you into profitable trades that could have otherwise been negated. On your chart I can see clearly that before the RSI2 signal that high you circled is the highest high on the chart before that.

But I m sure that won t always be the case, so how far back do you go, and what constitutes a valid higher high versus an invalid higher high. Thanks Gale, enjoying researching this strategy with you. Once I get an oversold signal, I start looking left and mark out the swing highs before it. Usually, I will focus on the first higher swing high I come across as the resistance to be broken before I adopt a bullish bias.

Actually, it s not cast in stone, but the swing high should be significant. The logic is just to identify a resistance level that if broken, confirms my bullish market bias. Thanks Evan, enjoying it too. Feel free to email me at galenwoods tradingsetupsreview. com if you want to discuss this further. I like the RSI 2 Period Setup, am trying to understand this method.

Hi Galen and thank you for the well-written, insightful article on RSI 2. I was curious if do any programming based on this indicator and perhaps I could share some ideas with you. Please email me. Hi Zakk, check your email. Hi, Could you please share the RSI2 setups and the same if programmed. Thanks a lot in advance. I ve not programmed this strategy for mechanical trading as I used it to complement my price action methods. You can throw up the RSI2 indicator onto your current charts to see how it might help in your current trading strategy.

INTEKHAB ALAM says. I do t understand whole thing English language weak. Is there any video. Please post video link. Thank you for your interest, but I don t have a video on this strategy right now. This is a video on the basic RSI2 strategy. It s not the same as the one in this article but could be useful for learning the original RSI2 strategy.

Thanks for the set-up and the discussion thread. Glad to hear that. Sumiet Jain says. This SET UP needs the perfect Trade Confirmation with other most best available curso opções binárias iq option except RSI2 Which can gives you the perfect Entry n Exit from the Trade with. I ve tried this setup with ADX 14 above the crossing of Level 25 of DMI or -DMI along with ADX Line on above. RSI can be consider as the MOMENTUM Indicator and ADX can be consider as the TREND Indicator.

So with these two SetUps the Winning combination is almost 80 -90. Need your confirmation what can be better. Hi Sumiet, perhaps this article on ADX will be of interest to you. Plc on wat time frame is best used and can I use it for any pair. Larry Connors formulated this original strategy with the results from stock trading backtests. But please go ahead and try it out in your preferred timeframe and market to learn more about it. I have read forex traders talking about this strategy. Paul Gusay says.

And allows me to wait patiently for the next set-up entry. Hi Galen, This is indeed a great method. It does give an effective assessment of the market bias. Very brilliant. It is the most clear use of the RSI I have read which can be easily identified visually. Thank you for this well-written and well-explained, wonderful trade set-up.

Hi Paul, great to hear from you. I m glad to hear that you find the write-up helpful for your trading and for staying patient, which I think is essential to trading well. Swing Trading with Stochastic Oscillator and Candlestick Patterns. How To Use NinjaTrader. How To Find The Intraday Market Bias With Price Action.

Three-Bar Reversal Pattern For Day Trading. Candlestick and Pivot Point Day Trading Strategy. Belt Hold Candlestick Pattern Trading Strategies Guide. 3 Key Principles of Technical Analysis. Perhaps you re too far from the source, or thick walls are blocking the signal. If your internet seems slow or web pages won t load, the problem could be your Wi-Fi connection. How to Check Your Wi-Fi Signal Strength. Why Wi-Fi Signal Strength Matters. A stronger Wi-Fi signal means a more reliable connection.

This is what enables you to take full advantage of the internet speeds available to you. Here s how to check your precise Wi-Fi signal strength. 4 or 5ghz connection, and even the materials of the walls around you. Wi-Fi signal strength depends on a variety of factors, such as how far you are from the router, whether it s a 2. The closer you are to the router, the better.

Thicker walls made of denser materials like concrete will block a Wi-Fi signal. 4ghz connections broadcast further, they might have interference issues. A weaker signal, on the other hand, leads to slower speeds, dropouts, and in some cases total disconnection. Not every connection problem is a result of weak signal strength. If the problem persists, the next step is to check if Wi-Fi is the problem.

If the internet on your tablet or phone seems slow, start by rebooting your router if you have access to it. Try using the internet with a device connected through ethernet. If the ethernet connection is fine and a router reset didn t help, then it s time to check signal strength. Checking Wi-Fi Signal Strength the Easy Way. To check the strength of your Wi-Fi, the first thing to do is look at the device having issues.

Whether it s using iOS, Android, Mac, or Windows, you should have a Wi-Fi connection indicator. Usually, four or five curved lines make up the Wi-Fi symbol, and the more that are filled, the stronger the connection. But it s worth consulting a second, or even third device. Every phone, tablet, and laptop is different and may indicate a different Wi-Fi strength.

If you checked a phone, consider testing a tablet, too. Compare internet performance on both devices and see what they display for Wi-Fi strength. If you have similar results with both, you have an excellent baseline to use. If you ve determined your Wi-Fi connection is weak in a particular spot, the next thing to do is walk around and pay attention to the Wi-Fi bars on your smartphone or tablet. Keep track of how far you are from the router, and how many walls there are between it and you.

Pay attention to when your Wi-Fi bars increase and decrease. It s a rudimentary check, but for most cases, it will suffice. The More Advanced and Precise Method to Check Wi-Fi Strength. Looking at bars in a symbol will only tell you so much. If you want to dig deeper into the strength of your Wi-Fi, you ll need to use an app or program like the AirPort Utility app or Wi-Fi Analyzer to measure its decibels relative to a milliwatt dBm.

You can measure a Wi-Fi signal in multiple ways. The most accurate measurement is milliwatts mWbut it s also the hardest to read due to the number of decimal places 0. Decibels relative to milliwatt dBm avoids these problems, and many manufacturers convert RSSI to dBm anyway, so we ll cover that curso opções binárias iq option. Received Signal Strength Indicator RSSI is another option, but Wi-Fi vendors handle it inconsistently and with varying scales.

The first thing to know is measurements of dBm will display in negative numbers. The scale runs from -30 to -90. If you see -30, you have a perfect connection, and likely, are standing next to the Wi-Fi router. However, if you spot a Wi-Fi signal listed at -90, the service is so weak you probably can t connect to that network. An excellent connection is -50 dBm, while -60 dBm is likely good enough to stream, handle voice calls, and anything else.

To measure Wi-Fi signal strength on your phone or tablet, you can use the Airport Utility App for iPhone and iPad, or Wi-Fi Analyzer for Android. Both are easy to use and show results for any wireless networks in your area. If you still have issues, the network is the problem. For iPhone users, the Airport Utility App does require you to go into your device settings and turn on the Wi-Fi scanner. Now, go back to the Airport Utility app and start a scan. You ll see dBm measurements expressed as RSSI.

For Android users, Wi-Fi Analyzer is a step easier. Open the app and look for the networks found. Just go to your iPhone or iPad settings not the app s settingstap Airport Utility in the list of settings, and then toggle Wi-Fi Scanner. Windows 10 doesn t have a built-in way to view precise signal strength, although the netsh wlan show interface command gives you your signal strength as a percentage.

In the past, we recommended NirSoft s WifiInfoView to inspect Wi-Fi channels, and it also gets the nod for checking Wi-Fi strength. The program is free, easy to use, and doesn t require installation. Just unzip and double-click the EXE file. Like Mac and iOS, you ll find dBm measurements listed under the RSSI entry. On Mac, you don t need to download any program or app if you want to measure the connected network. Hold the option key and click on the Wi-Fi symbol.

You ll see dBm measurements in the RSSI entry. Each entry will list strength as dBm. How to Improve Wi-Fi Signal Strength. Once you know how strong your network is, you ll have a better idea of what to do to improve it. Check for interference, consider changing channels, or upgrade to a router that supports 5 GHz if your current one doesn t. If you step a room or two away from the router and find you re quickly losing the signal, it s time to consider the age of your router and its placement.

Either your walls are very thick and dense, or your router is old and unable to broadcast very far. If you have plaster walls, consider moving the router as close to the center of the home as possible. If your router is older, it might be time to upgrade. When doing so, look for one that supports both 2. 4 and 5 GHz Wi-Fi signals. The 5 GHz signal doesn t extend as far as a 2. 4 GHz, but it has more options to bypass interference problems. If you have a large home, you might want to consider a mesh router.

They are an easy way to boost the Wi-Fi signal throughout your home and include other great features, like automatic firmware updates and guest networks. Most people probably don t need a mesh network, though, and you can find cheaper routers that also offer firmware updates and guest networks. Heatmaps are a great way to determine where your wireless is strongest and weakest with an easy-to-understand visual.

If you re not sure you need a mesh router, you might want to consider creating a Wi-Fi heatmap of your home. You create a sketch of the layout of your home, and then you walk around while the program measures the Wi-Fi strength. It then colors in your map to give you a general idea of Wi-Fi signal strength throughout. Unfortunately, there isn t a one-size-fits-all solution for boosting the Wi-Fi signal in every home. If you re at the center of your home and the heatmap shows weak signals everywhere, it might be time for a mesh router.

However, if you try each of these methods, you can get the most accurate information to make an informed decision about what to do next. For instance, if you can reach the edges of your home and still see a 60 dBm signal or most of the barsthen any issues you re having aren t Wi-Fi-strength related. If you need to uncover information like frequency, noise, amplitude, or any other characteristic that might change over time, you need an oscilloscope.

How to Use an Oscilloscope. O-scopes are an important tool in any electrical engineer s lab. They allow you to see electric signals as they vary over time, which can be critical in diagnosing why your 555 timer circuit isn t blinking correctly, or why your noise maker isn t reaching maximum annoyance levels. Digilent Analog Discovery 2. The Digilent Analog Discovery 2 is a USB oscilloscope and multi-function instrument that allows users to measure, visualize.

DSO Nano V3 - Pocket-Sized Digital Oscilloscope. An oscilloscope is an awesome tool to have around the shop. Unfortunately, most scopes take up quite a bit of bench space and. Digital Storage Oscilloscope - 100MHz TBS2104. The Tektronix TBS2104 Digital Storage Oscilloscope offers a 9-inch WVGA display, 20 million point record length and 1GS s sam. HAMlab is a fully functional SDR transceiver with 160-10m band coverage and 10W of output power built around the STEMlab plat.

Covered in This Tutorial. This tutorial aims to introduce the concepts, terminology, and control systems of oscilloscopes. It s broken down into the following sections. Basics of O-Scopes -- An introduction to what, exactly, oscilloscopes are, what they measure, and why we use them. HAMlab - 160-6 10W. Oscilloscope Lexicon -- A glossary covering some of the more common oscilloscope characteristics. Anatomy of an O-Scope -- An overview of the most critical systems on an oscilloscope -- the screen, horizontal and vertical controls, triggers, and probes.

Using an Oscilloscope -- Tips and tricks for someone using an oscilloscope for the first time. We ll be using the Gratten GA1102CAL -- a handy, mid-level, digital oscilloscope -- as the basis for our scope discussion. Other o-scopes may look different, but they should all share a similar set of control and interface mechanisms. Before continuing with this tutorial, you should be familiar with the concepts below.

Check out the tutorial if you want to learn more. Basics of O-Scopes. The main purpose of an oscilloscope is to graph an electrical signal as it varies over time. Most curso opções binárias iq option produce a two-dimensional graph with time on the x-axis and voltage on the y-axis. Controls surrounding the scope s screen allow you to adjust the scale of the graph, both vertically and horizontally -- allowing you to zoom in and out on a signal.

There are also controls to set the trigger on the scope, which helps focus and stabilize the display. What Can Scopes Measure. In addition to those fundamental features, many scopes have measurement tools, which help to quickly quantify frequency, amplitude, and other waveform characteristics. In general a scope can measure both time-based and voltage-based characteristics. Timing characteristics Frequency and period -- Frequency is defined as the number of times per second a waveform repeats.

And the period is the reciprocal of that number of seconds each repeating waveform takes. The maximum frequency a scope can measure varies, but it s often in the 100 s of MHz 1E6 Hz range. Duty cycle -- The percentage of a period that a wave is either positive or negative there are both positive and negative duty cycles. The duty cycle is a ratio that tells you how long a signal is on versus how long it s off each period.

Rise and fall time -- Signals can t instantaneously go from 0V to 5V, they have to smoothly rise. The duration of a wave going from a low point to a high point is called the rise time, and fall time measures the opposite. These characteristics are important when considering how fast a circuit can respond to signals. Voltage characteristics Amplitude -- Amplitude is a measure of the magnitude of a signal. There are a variety of amplitude measurements including peak-to-peak amplitude, which measures the absolute difference between a high and low voltage point of a signal.

Maximum and minimum voltages -- The scope can tell you exactly how high and low the voltage of your signal gets. Mean and average voltages -- Oscilloscopes can calculate the average or mean of your signal, and it can also tell you the average of your signal s minimum and maximum voltage. Have you ever found yourself troubleshooting a circuit, needing more information than a simple multimeter can provide.

Peak amplitude, on the other hand, only measures how high or low a signal is past 0V. The o-scope is useful in a variety of troubleshooting and research situations, including. Identifying how much noise is in your circuit. Determining the frequency and amplitude of a signal, which can be critical in debugging a circuit s input, output, or internal systems. Identifying the shape of a wave -- sine, square, triangle, sawtooth, complex, etc. From this, you can tell if a component in your circuit has malfunctioned.

Oscilloscope Lexicon. Quantifying phase differences between two different signals. Learning how to use an oscilloscope means being introduced to an entire lexicon of terms. When to Use an O-Scope. On this page we ll introduce some of the important o-scope buzzwords you should be familiar with before turning one on. Key Oscilloscope Specifications. Some scopes are better than others.

These characteristics help define how well you might expect a scope to perform. No scope is perfect though they all have limits as to how fast they can see a signal change. The bandwidth of a scope specifies the range of frequencies it can reliably measure. Analog -- As with most everything electronic, o-scopes can either be analog or digital. Analog scopes use an electron beam to directly map the input voltage to a display. Digital scopes incorporate microcontrollers, which sample the input signal with an analog-to-digital converter and map that reading to the display.

Generally analog scopes are older, have a lower bandwidth, and less features, but they may have a faster response and look much cooler. Each signal read by a scope is fed into a separate channel. Two to four channel scopes are very common. Sampling Rate -- This characteristic is unique to digital scopes, it defines how many times per second a signal is read. For scopes that have more than one channel, this value may decrease if multiple channels are in use. Rise Time -- The specified rise time of a scope defines the fastest rising pulse it can measure.

The rise time of a scope is very closely related to the bandwidth. It can be calculated as Rise Time 0. 35 Bandwidth. Maximum Input Voltage -- Every piece of electronics has its limits when it comes to high voltage. Scopes should all be rated with a maximum input voltage. If your signal exceeds that voltage, there s a good chance the scope will be damaged.

Resolution -- The resolution of a scope represents how precisely it can measure the input voltage. This value can change as the vertical scale is adjusted. Channel Amount -- Many scopes can read more than one signal at a time, displaying them all on the screen simultaneously. Vertical Sensitivity -- This value represents the minimum and maximum values of your vertical, voltage scale. This value is listed in volts per div.

Time Base -- Time base usually indicates the range of sensitivities on the horizontal, time axis. This value is listed in seconds per div. Input Impedance -- When signal frequencies get very high, even a small impedance resistance, capacitance, or inductance added to a circuit can affect the signal. Every oscilloscope will add a certain impedance to a circuit it s reading, called the input impedance.

Input impedances are generally represented as a large resistive impedance 1 MΩ in parallel with small capacitance in the pF range. The impact of input impedance is more apparent when measuring very high frequency signals, and the probe you use may have to help compensate for it. Using the GA1102CAL as an example, here are specifications you might expect from a mid-range scope.

Anatomy of An O-Scope. Bandwidth -- Oscilloscopes are most commonly used to measure waveforms which have a defined frequency. While no scopes are created exactly equal, they should all share a few similarities that make them function similarly. Characteristic Value Bandwidth 100 MHz Sampling Rate 1 GSa s 1E9 samples per second Rise Time. On this page we ll discuss a few of the more common systems of an oscilloscope the display, horizontal, vertical, trigger, and inputs.

The Display. An oscilloscope isn t any good unless it can display the information you re trying to test, which makes the display one of the more important sections on the scope. Every oscilloscope display should be criss-crossed with horizontal and vertical lines called divisions. The scale of those divisions are modified with the horizontal and vertical systems.

The vertical system is measured in volts per division and the horizontal is seconds per division. Generally, scopes will feature around 8-10 vertical voltage divisions, and 10-14 horizontal seconds divisions. Older scopes especially those of the analog variety usually feature a simple, monochrome display, though the intensity of the wave may vary. More modern scopes feature multicolor LCD screens, which are a great help in showing more than one waveform at a time.

Many scope displays are situated next to a set of about five buttons -- either to the side or below the display. These buttons can be used to navigate menus and control settings of the scope. Vertical System. The vertical section of the scope controls the voltage scale on the display. There are traditionally two knobs in this section, which allow you to individually control the vertical position and volts div. The more critical volts per division knob allows you to set the vertical scale on the screen.

Rotating the knob clockwise will decrease the scale, and counter-clockwise will increase. A smaller scale fewer volts per division on the screen means you re more zoomed in to the waveform. So, zoomed all the way in to 2mV div, the display can show waveform that is 16mV from top to bottom. Fully zoomed outthe scope can show a waveform ranging over 40V. The display on the GA1102, for example, has 8 vertical divisions, and the volts div knob can select a scale between 2mV div and 5V div.

The probe, as we ll discuss below, can further increase this range. The position knob controls the vertical offset of the waveform on the screen. Rotate the knob clockwise, and the wave will move down, counter-clockwise will move it up the display. You can use the position knob to offset part of a waveform off the screen. Using both the position and volts div knobs in conjunction, you can zoom in on just a tiny part of the waveform that you care about the most.

If you had a 5V square wave, but only cared about how much it was ringing on the edges, you could zoom in on the rising edge using both knobs. Horizontal System. The horizontal section of the scope controls the time scale on the screen. Like the vertical system, the horizontal control gives you two knobs position and seconds div. The seconds per division s div knob rotates to increase or decrease the horizontal scale. If you rotate the s div knob clockwise, the number of seconds each division represents will decrease you ll be zooming in on the time scale.

Rotate counter-clockwise to increase the time scale, and show a longer amount of time on the screen. Using the GA1102 as an example again, the display has 14 horizontal divisions, and can show anywhere between 2nS and 50s per division. So zoomed all the way in on the horizontal scale, the scope can show 28nS of a waveform, and zoomed way out it can show a signal as it changes over 700 seconds.

The position knob can move your waveform to the right or left of the display, adjusting the horizontal offset. Using the horizontal system, you can adjust how many periods of a waveform you want to see. You can zoom out, and show multiple peaks and troughs of a signal. The trigger section is devoted to stabilizing and focusing the oscilloscope. Or you can zoom way in, and use the position knob to show just a tiny part of a wave.

The trigger tells the scope what parts of the signal to trigger on and start measuring. If your waveform is periodicthe trigger can be manipulated to keep the display static and unflinching. A poorly triggered wave will produce seizure-inducing sweeping waves like this. The trigger section of a scope is usually comprised of a level knob and a set of buttons to select the source and type of the trigger.

The level knob can be twisted to set a trigger to a specific voltage point. A series of buttons and screen menus make up the rest of the trigger system. Their main purpose is to select the trigger source and mode. There are a variety of trigger typeswhich manipulate how the trigger is activated. An edge trigger is the most basic form of the trigger.

It will key the oscilloscope to start measuring when the signal voltage passes a certain level. An edge trigger can be set to catch on a rising or falling edge or both. A pulse trigger tells the scope to key in on a specified pulse of voltage. You can specify the duration and direction of the pulse. For example, it can be a tiny blip of 0V - 5V - 0V, or it can be a seconds-long dip from 5V to 0V, back to 5V.

A slope trigger can be set to trigger the scope on a positive or negative slope over a specified amount of time. More complicated triggers exist to focus on standardized waveforms that carry video data, like NTSC or PAL. These waves use a unique synchronizing pattern at the beginning of every frame. You can also usually select a triggering modewhich, in effect, tells the scope how strongly you feel about your trigger. In automatic trigger mode, the scope can attempt to draw your waveform even if it doesn t trigger.

Normal mode will only draw your wave if it sees the specified trigger. And single mode looks for your specified trigger, when it sees it it will draw your wave then stop. An oscilloscope is only good if you can actually connect it to a signal, and for that you need probes. Probes are single-input devices that route a signal from your circuit to the scope.

They have a sharp tip which probes into a point on your circuit. The tip can also be equipped with hooks, tweezers or clips to make latching onto a circuit easier. Every probe also includes a ground clipwhich should be secured safely to a common ground point curso opções binárias iq option the circuit under test. While probes may seem like simple devices that just latch onto your circuit and carry a signal to the scope, there s actually a lot that goes into probe design and selection. Optimally, what a probe needs to be is invisible it shouldn t have any effect on your signal under test.

Unfortunately, long wires all have intrinsic inductance, capacitance, and resistance, so, no matter what, they ll affect scope readings especially at high frequencies. Most of the stock passive probes are attenuated. Trigger System. Attenuating probes have a large resistance intentionally built-in and shunted by a small capacitor, which helps to minimize the effect that a long cable might have on loading your circuit.

In series with the input impedance of a scope, this attenuated probe will create a voltage divider between your signal and the scope input. Most probes have a 9MΩ resistor for attenuating, which, when combined with a standard 1MΩ input impedance on a scope, creates a 1 10 voltage divider. These probes are commonly called 10X attenuated probes.

Many probes include a switch to select between 10X and 1X no attenuation. Attenuated probes are great for improving accuracy at high frequencies, but they will also reduce the amplitude of your signal. If you re trying to measure a very low-voltage signal, you may have to go with a 1X probe. You may also need to select a setting on your scope to tell it you re using an attenuated probe, although many scopes can automatically detect this.

Beyond the passive attenuated probe, there are a variety of other probes out there. While most probes are designed to measure voltage, there are probes designed to measure AC or DC current. Active probes are powered probes they require a separate power sourcewhich can amplify your signal or even pre-process it before it get to your scope. Current probes are unique because they often clamp around a wire, never actually making contact with the circuit.

Using an Oscilloscope. The infinite variety of signals out there means you ll never operate an oscilloscope the same way twice. But there are some steps you can count on performing just about every time you test a circuit. On this page we ll show an example signal, and the steps required to measure it. Probe Selection and Setup. First off, you ll need to select a probe.

Next, before connecting it to your scope, set the attenuation on your probe. 10X -- the most common attenuation factor -- is usually the most well-rounded choice. If you re trying to measure a very low-voltage signal though, you may need to use 1X. Connect the Probe and Turn the Scope On. Connect your probe to the first channel on your scope, and turn it on. Have some patience here, some scopes take as long to boot up as an old PC. When the scope boots up you should see the divisions, scale, and a noisy, flat line of a waveform.

The screen should also show previously set values for time and volts per div. Ignoring those scales for now, make these adjustments to put your scope into a standard setup. Turn channel 1 on and channel 2 off. Set channel 1 to DC coupling. For most signals, the simple passive probe included with your scope will work perfectly fine. Set the trigger source to channel 1 -- no external source or alternate channel triggering.

Set the trigger type to rising edge, and the trigger mode to auto as opposed to single. Make sure the scope probe attenuation on your scope matches the setting on your probe e. Testing the Probe. For help making these adjustments, consult your scope s user s manual as an example, here s the GA1102CAL manual. Let s connect that channel up to a meaningful signal. Most scopes will have a built-in frequency generator that emits a reliable, set-frequency wave -- on the GA1102CAL there is a 1kHz square wave output at the bottom-right of the front panel.

The frequency generator output has two separate conductors -- one for the signal and one for ground. Connect your probe s ground clip to the ground, and the probe tip to the signal output. As soon as you connect both parts of the probe, you should see a signal begin to dance around your screen. Try fiddling with the horizontal and vertical system knobs to maneuver the waveform around the screen. Rotating the scale knobs clockwise will zoom into your waveform, and counter-clockwise zooms out.

You can also use the position knob to further locate your waveform. If your wave is still unstable, try rotating the trigger position knob. By default, the trigger type should be set to edge, which is usually a good choice for square waves like this. Make sure the trigger isn t higher than the tallest peak of your waveform. Try fiddling with those knobs enough to display a single period of your wave on the screen.

Or try zooming way out on the time scale to show dozens of squares. Compensating an Attenuated Probe. If your probe is set to 10X, and you don t have a perfectly square waveform as shown above, you may need to compensate your probe. Most probes have a recessed screw head, which you can rotate to adjust the shunt capacitance of the probe. Try using a small screwdriver to rotate this trimmer, and look at what happens to the waveform.

Adjust the trimming cap on the probe handle until you have a straight-edged square wave. Compensation is only necessary if your probe is attenuated e. 10Xin which case it s critical especially if you don t know who used your scope last. Probing, Triggering, and Scaling Tips. Once you ve compensated your probe, it s time to measure a real signal. Go find a signal source frequency generator. The first key to probing a signal is finding a solid, reliable grounding point. Clasp your ground clip to a known ground, sometimes you may have to use a small wire to intermediate between the ground clip and your circuit s ground point.

Then connect your probe tip to the signal under test. Probe tips exist in a variety of form factors -- the spring-loaded clip, fine point, hooks, etc. -- try to find one that doesn t require you to hold it in place all the time. Once your signal is on the screen, you may want to begin by adjusting the horizontal and vertical scales into at least the ballpark of your signal. If you re probing a 5V 1kHz square wave, you ll probably want the volts div somewhere around 0.

5-1V, and set the seconds div to around 100µs 14 divisions would show about one and a half periods. If part of your wave is rising or falling of the screen, you can adjust the vertical position to move it up or down. If your signal is purely DC, you may want to adjust the 0V level near the bottom of your display. Once you have the scales ballparked, your waveform may need some triggering. Edge triggering -- where the scope tries to begin its scan when it sees voltage rise or fall past a set point -- is the easiest type to use.

Using an edge trigger, try to set the trigger level to a point on your waveform that only sees a rising edge once per period. Now just scale, position, trigger and repeat until you re looking at exactly what you need. Measure Twice, Cut Once. With a signal scoped, triggered, and scaled, it comes time to measure transients, periods, and other waveform properties. Some scopes have more measurement tools than others, but they ll all at least have divisions, from which you should be able to at least estimate the amplitude and frequency.

Many scopes support a variety of automatic measurement tools, they may even constantly display the most relevant information, like frequency. To get the most out of your scope, you ll want to explore all of the measure functions it supports. Most scopes will calculate frequency, amplitude, duty cycle, mean voltage, and a variety of other wave characteristics for you automatically. A third measuring tool many scopes provide is cursors.

Cursors are on-screen, movable markers which can be placed on either the time or voltage axis. Cursors usually come in pairs, so you can measure the difference between one and the other. Once you ve measured the quantity you were looking for, you can begin to make adjustments to your circuit and measure some more. Some scopes also support savingprintingor storing a waveform, so you can recall it and remember those good ol times when you scoped that signal.

To find out more about what your scope can do, consult its user s manual. Purchasing an Oscilloscope. Now that you ve learned all about this handy tool s features and benefits, it s time to put an oscilloscope on your workbench. Interested in learning more foundational topics. See our Engineering Essentials page for a full list of cornerstone topics surrounding electrical engineering. Resources and Going Further.

With the tools discussed in this tutorial, you should be prepared to start scoping signals of your own. If you re still unsure of what certain parts of your scope are for, first consult your user s manual. Here are some additional resources we recommend checking out as well. The XYZs of Oscilloscopes PDF -- A great in-depth introduction to oscilloscopes. How to Use an Oscilloscope YouTube -- Great o-scope explanation straight from the makers of scopes Tektronix.

GA1102CAL User s Manual -- A user s manual for Atten s GA1102CAL 100MHz oscilloscope. While it s specific to that scope, it still provides a nice overview of what similar scopes are capable of, and how they work. Going Further. Now that you re a practiced oscilloscop-er, what circuit are you going to be debugging. Need some inspiration. and come back. Here are some related tutorials we d recommend checking out next.

PCB Design with EAGLE -- If you re at a point where you need to troubleshoot circuits at the signal level, maybe you re ready to step into designing PCBs. Our EAGLE series of tutorials how to use the freely available software to design your own circuit boards. Recreating Classic Electronics Kits -- If you re in search of a circuit to troubleshoot with a scope, why not make your own version of 50-in-1 electronics kit. Pulse-Width Modulation -- PWM signals are the foundation behind dimming LEDs and driving servo motors.

Learn about these signal types and then scope them with your new skills. Or check out these tutorials using an oscilloscope to inspect a signal. MCP4725 Digital to Analog Converter Hookup Guide. MIDI Shield Hookup Guide. Stepoko Powered by grbl Hookup Guide. Piezo Vibration Sensor Hookup Guide. Proto Pedal Assembly and Theory Guide. Proto Pedal Example Analog Equalizer Project. THAT InGenius and OutSmarts Breakout Hookup Guide. SparkFun Clock Generator 5P49V60 Qwiic Hookup Guide.

Or check out this blog post for ideas. Enginursday Fixing the ESP32 Thing Plus. Tags Electrical Engineering Skill Tools License Creative Commons tutorials are CC BY-SA 4. There are a variety of probe types out there, the most common of which is the passive probeincluded with most scopes. It s been 163 days since I was in a theater. That is the longest I ve gone in my entire life without seeing a movie in a theater.

HOW XR CAN HELP US THROUGH THE DARK DAYS OF DARKENED CINEMAS. I miss going to the movies. The big dumb tent-pole flicks with explosions. The comedies with the cuss words and foreign films with the words I have to read. The art films that I really like and sometimes pretend to understand even though I didn t. It s basic but we all know a movie theater is absolutely the best place to see ANY movie.

The dainty little 2 screen art house that sells wine. And it doesn t matter what kind of theater it is. The mega-plex that you have to put a down payment on a dump truck of popcorn and a water tower of Coke Zero trying to cut my sugars. I would go any time, any day, any movie, but I really loved going on opening weekends when it s packed with people like me. The lights go down in a theater filled with strangers. I m just reminiscing here. The projector lights the screen. It s a collective alright let s go, we re ready.

We re together as a crowd and individually we feed off and add to the group with chuckles, gasps, laughs, groans, tears and every other appropriate and sometimes not appropriate response. There s a crowd shift of collective energy you can feel between the trailers and when the main feature begins. It s more than the sounds of people though. There is an energy of being in a crowd. On paper we re just watching another movie on a really big TV but it s not the same is it.

You can buy a really big TV with a really impressive sound system for your home but it really isn t the same is it. There has got to be a poet who can describe the human spirit of gathering better than me but Dylan Thomas sadly passed away before 2 Fast 2 Furious came out. Many of us here at Fair Worlds come from every aspect of film backgrounds. Back when we were in the office together seems like a different life it wasn t too hard to get sidetracked talking about what, when, where, and with whom we d seen a film that moved us in any direction.

For those of us in the Austin team we live in a great spot for cinema. Our office is right next to the Alamo Drafthouse office. We have friends and family over there. It hurts to see them hurt. AMC has substantial doubt it can remain in business. They are the world s biggest theater chain with over 11,000 screens across 15 countries. According to the survey, 40 percent of the country s cinemas could permanently shut down due to the financial hit they ve incurred as a result of COVID-19, Variety reports.

This would result in the loss of 5,000 venues and nearly 28,000 screens. China accounted for nearly 22 percent of the global box office last year; such a significant loss of theaters would produce a damaging financial ripple effect throughout Hollywood. It s bleak overall. All that is scary for cinefiles and movie geeks but let s not forget how resilient the crowd gathering can be. Theater owners have gotten panicky and many an op-ed about the death of cinema have been written over the years.

Television, video cassette, DVD and streaming services have all been written up in their respective times as being the nail in the coffin for movie goers. Certainly there will always be a communal aspect that is difficult if not impossible to replace. That being said there are itches that need to be scratched and a lot of us feel like we ve been rolling in poison oak. And XR has taken a few cracks on what this could look like in the future.

I don t actually have enough friends with VR headsets and times that would match up to pull off a Bigscreen VR hang, although it sounds ideal. It works on the model of a theater with showtimes actual specific times. There is a lobby that looks like a theater lobby where you can hang out and I assume you spend too much on virtual Raisinettes. The theaters themselves are customizable. Yet people keep coming out and the kids still wanna have fun.

The only drawback is see is the content. Just kind of oddly in the middle. It s nothing new, nothing old, nothing weird, nothing classic.

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