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(Links Below)
Following up on • Use a Raspberry Pi to ... we are looking at how to allow the Raspberry Pi to talk back to the Arduino. Note: Node-red can be run on a PC and I will cover setting that up in a later video in this playlist.
Arduino Code - pastebin.com/m...
Node-Red Code - pastebin.com/m...
For Node-Red, hit the hamburger menu, click import, click clipboard. Paste the raw contents of the code above and click import.
Pi Starter Kit - amzn.to/2MeYtWs
Good SD Card - amzn.to/2LHn72Q
Arduino Starter Kit - amzn.to/2LHn72Q