[Johngineer] found himself in need of an I2C sniffer, but didn’t have one available. Necessity is the mother of invention, so he put together this I2C sniffer sketch for Arduino. The arduino … ...

arduino Nano -based Bluetooth billboard using an arduino nano microcontroller, 0.96" OLED Display (SPI/I2C, 128x64), and an HC-05 Bluetooth module. The code allows the billboard to receive messages ...

About Code is for my daughters python enclosure. The equipment consist of a DHT11 sensor, Arduino Nano, and a 0.91 inch I2C OLED display.

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino.