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0104110000028891
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Dual Adjustable PWM Signal Generator with Display and Serial Interface
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The first configuration method involves using the 3 buttons mounted on the PCB. The "SET" button plays the role of switching between the output channels as well as between the fill factor and the frequency.
To set the frequency of the signal, press the "SET" button until "FA1" (for the first channel) or "FA2" (for the second channel) appears.
The segment display has 3 frequency display modes:
To switch between these operating modes, you must hold the "SET" button and press the "UP" button.
To change the fill factor, you must select the "du1" or "du2" mode. Its value ranges from 0 to 100.
The second configuration method involves the use of a development board that has serial communication, such as a development board compatible with Arduino Uno. The serial pins on the Arduino Uno are: digital pin 0 ("RX") and digital pin 1 ("TX").
The connection scheme is the following:
To configure the module, you must use the command"Serial.write (" SXYZZZT ")", where:
* The other modes specified above may be used: "ZZ.Z" for the frequency range from 0.1 KHz to 99.9 KHz to "ZZZ" for frequency range 1 KHz to 150 KHz;
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