1 Arduino Tutorial #10: Arduino to Arduino I2C
Offered as a tutorial on linking two Arduinos as master and slave, though viewers question the way it shares power between the boards.
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5 recommended videos. Channel on YouTube
Offered as a tutorial on linking two Arduinos as master and slave, though viewers question the way it shares power between the boards.
Recommended as an eleven minute explainer on pull-up and pull-down resistors, though one viewer felt the usual framing still leaves the concept hard to grasp.
A short tutorial on making an Arduino Leonardo act as a USB keyboard, linked as a quick starting point for HID projects.
A tutorial on pairing 433 MHz transmitter and receiver modules with an Arduino Uno, linked as a starting point for simple wireless projects.
Part of a tutorial series on programming 8 bit AVR chips in plain C, recommended for Arduino users ready to drop the Arduino layer.