Discover how to easily enable communication between two Arduinos using only two wires in this beginner-friendly tutorial.
Compatible with Nano or Uno boards, this guide will walk you through the process of setting up serial communication on SDA and SCL interfaces using code that hides the complexity.
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Get the code and the library :
Arduino A : https://dev.azure.com/overlording/The%20Last%20Outpost%20Workshop/_git/CommArduinoA
Arduino B:
https://dev.azure.com/overlording/The%20Last%20Outpost%20Workshop/_git/CommArduinoB
Chapters:
0:00 Intro
0:53 Wiring Nano, Uno
2:11 Setup in Arduino IDE
3:04 Install the library for Arduino A
3:46 Selecting the right COM port
6:36 Using the library
8:25 Get Incoming Messages
10:00 Code for Arduino B
11:45 Arduino B send a message to Arduino A
13:16 Arduino B send a number to Arduino A
14:23 Arduino A send a message and a number to Arduino B
15:32 Wiring for using a push button and LED on each Arduino
17:05: Arduino A control LED of Arduino B
28:42: Arduino B control LED of Arduino A
30:20: A use case for communication between two Arduino
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