Arduino to Arduino - Serial Commands Code

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2 Arduino Communication via Serial

Arduino Nano:

Code Receiver link:

Code Transmitter link:
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thanks a ton man, you really helped me

andrewmakarevich
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Awesome! This is the best tutorial I found for Usage of Tx Rx pins. Thanks a lot

SeriousHobbyistOrg
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so could you do a tutorial do the same with 2 stepper motors, so transmitter sends data to receiver and then it turn motor 1 after button press, and if push button by the transmitter motor 2 moves by the receiver

timwalt
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I have a claw machine, which i would like to setup something like this to move the claw and drop the claw by using my computers keyboard. Any ideas, where to start?.

melannieworld
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Please can you help me, i want to send a message from a master arduino card to slave one the message contains the ID + mode (w/r)+DATA ) i have to use a serial communication

iai