Serial Comms between NodeMCU & Arduino Nano

Here’s how to set up serial comms between a NodeMCU V1 (ESP-12E) and Arduino Nano. Note, you could replace the Nano with any Arduino board but I have only tested with a Nano.

Here are parts required:

Here’s the diagram:

circuitAnd the source code is available here: https://github.com/coytar/Snippets/tree/master/NodeMCU_To_Nano

Good luck! 🙂

 

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