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just notice vadams used 2 MCUs you only need one to fire up 12 LEDs
actually you only need one MCU.
It is a great project for learning more about serial communication from Arduino to PC. I have done something similar but using a touchpad.
I just ordered the LoRa/Shield Module for Arduino. Do I need to preconfigure the LoRas prior to installing the mods to Arduino?
While I know it is priceless for the fun building it, it is cheaper and easy to buy a cellphone car adapter. Just replace the USB male socket.
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