Download Free Software Lissajous Oscilloscope Circuit
• First, if you do not already have the Arduino IDE installed, install it from the site Arduino: click • Install the 'TimerOne.h' library for the Arduino IDE, following the steps bellow • In the Arduino program click on 'Sketch' (see the picture) • 'Include Library.' • 'Manage Libraries.' • On the line 'Type: 'all' Topic: 'all' has a blank search field, type 'TimerOne'.
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• (Information about the library will appear ) • click over that text and the ' Install' button will appear. • click ' Install' • Restart the program. • You already have the oscilloscope program running and the Arduino connected to the computer by USB port. Now you have to connect to each other by 'serial'. • In the ' Configurar a serial' (Configure the Serial) box, click 'select s erial' until the COM where the Arduino is connected appears.(if it did not appear, click 'refresh' to update) • Click 'select speed' until the speed 115200 appears.
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• Click 'off' to switch to 'on' • If everything is correct, the oscilloscope will show the 4 channels [A0 (ch-0), A1 (ch-1), A2 (ch-2) and A3 (ch-3)] obs: if nothing is connected you will see a noise. • Click 'Trigger' at the Ch-0 (red) to stabilish the signals. • To not read the signals of Ch-2 and Ch-3, click on the names 'Ch-2' and Ch-3 '. Carlos junco lawyer. • To see the XY (Lissajous figures), click on the name 'XYZ' • To detect the frequencies, click on 'detect freq.' • To measure voltage and time/frequency, click on 'medir' (measure) of the desired channel then click on a point on the graph and drag to the other desired point. • To change the dial control value click between vertical lines or drag the edge indicated by the triangles. (see picture) • There is so much more!
We can use the oscilloscope to test electronic components or devices. In this example we will test the little joystick for Arduino.
• Make the circuit shown in the picture. • Connect the oscilloscope program to Arduino (configuring the Serial Port box) • Click on 'fluxo' (flow) so the Arduino sends each point right after reading. • Adjust 'dt' to 100ms to have a slow reading. • Turn off the 'ch-3' clicking over the name • Adjust 'v/div' to 5 (pressing the 'shift' key to adjust all channels simultaneously) • Change the ch-0 to up, moving the little left triangle (pressing the 'shift' key) • Turn on the XYZ channel and drag the 'v/div', adjusting it to fill the free space.
• Move the joystick to all directions and press the button some times. • See the curves.
If you could only own one piece of test equipment, it should probably be an oscilloscope. Then again, modern scopes often have multiple functions, so maybe that’s not a fair assertion. A case in point is the. The device is a capable 2-channel scope, a logic analyzer and also a waveform and pattern generator.