🔍 Universal port and I2C device scanner for Arduino, ESP32, and ESP8266 microcontrollers. Automatically detects active ports, connected sensors, and I2C devices with automatic identification. Arduino ...

This repository contains an Arduino sketch to scan for I2C devices connected to your microcontroller. The code identifies the I2C addresses of connected devices and prints the results in the Serial ...

A lot of great ICs use I2C to communicate, but debugging a non-working I2C setup can be opaque, especially if you’re just getting started with the protocol/bus. An I2C bus scanner can be a helpful ...