Convert image files into C arrays of uint8_t for compiling into your project

Collection of examples to read sensors (I2C and others) and publish real-time information with minimum consumption using fast ESP32S3/ESP32 and epaper controllers such as IT8951 or EPDiy

Custom BLE firmware for Hanshow E-Paper Shelf Labels / Price Tags

Directly printing on a Peripage A6 thermal printer via Bluetooth

This is a dithered photo viewer.

Fractal Art on the Pico

⛅ The right way to check the weather

Pngle - PNG Loader for Embedding

DMA helper/wrapped for ATSAMD21 such as Arduino Zero & Feather M0

An optimized JPEG decoder suitable for microcontrollers and PCs.

An optimized GIF decoder suitable for microcontrollers and PCs

SPI LCD/OLED library which can be built for Arduino and Linux

A full featured Arduino display library for 1-bit per pixel OLED, LCD and e-paper displays

Arduino library to draw text and graphics on BLE thermal printers

Arduino Library to gets the Manufacture Serial Number from the Atmel AVR, SAM, SAMD, STM32, and ESP Microcontroller.

ATTiny85 Pulse Oximeter with Photoplethysmogram (PPG) display

Based off of the CoinCell Board but with more sensors and a 80x160 ST7735 color tft lcd

Hacking nRF24L01+ as a low-cost BLE beacon

ATTiny usb bootloader with a strong emphasis on bootloader compactness.