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Can you help me understand how I would make an arduino with an hm10 send string commands to a relay board with an hm12? What would I need to write on the arduino sketch to send the commands?
How come you didn't have to create/use software serial?
Is it possible to use a hm10 on an arduino uno to send commands to an hm12?
Could you describe the DC offset part a bit more? Thanks
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