Very simple CircuitPython module/driver for Microchip 24x256 and 24x512 I2C EEPROM devices. Works with RP2040 (tested on Raspberry Pi Pico), should run on other microcontrollers that have hardware or ...

Tiny Code Reader CircuitPython Example. How to access Useful Sensor's Tiny Code Reader from CircuitPython. Introduction. The Tiny Code Reader is a small hardware module that's intended to make it easy ...

These versatile chips take the bother of scanning the LED matrix away from the microcontroller with their own internal frame registers fed from an I2C interface.