User Manual

Experimental Procedures

Step 1: Build the circuit

Laser Transmitter Module SunFounder Uno

S ----------------------------------------Digital 9

- -------------------------------------- GND

+ --------------------------------------- 5V

Step 2: Program (Please refer to the example code in LEARN -> Get Tutorial on our website)

Step 3: Compile

Step 4: Upload the sketch to SunFounder Uno

Now, you can see the laser transmitter module send out Morse signals.

Note: DO NOT look directly at the laser head. It can cause great harm to your eyes.

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