How to get Serial1, Serial2 and all SerialPIO functioning

Arduino LANC to USB with GUI

Arduino Library to communicate to Lanc enabled Cameras

Arduino library for MCP4261 SPI based digital potentiometers and compatibles.

Arduino library for the Microchip MCP4261

Modern port of Advanced Visualization Studio (former Winamp plugin)

TODO

FRANK OS - The RP2350 Operating System

C library for Elgato StreamDeck V2

TypeScript toolkit for Palm HotSync

BlueSCSI v2/Ultra - an open source, open hardware, SCSI emulator using the Pi Pico PR2040 and Pico 2 RP2350

An open source IDE/ATAPI drive emulator for vintage computers (and other things)

Capture the output from a computer's parallel printer port.

Using a Raspberry Pi Zero to emulate a USB-Printer

Utility to untangle an ImageDisk (.IMD) image from Dave Dunfield's ImageDisk to a linear binary image (.IMG)

Engine for games created by Gamos, particularly Brother Pilots 1&2

hex2bin converts an Intel hex file to binary

Flash to Molex 78805 socket adapter

PS/2 to XT Keyboard Converter

Reverse engineering of portable floppy disk drive 2102 for GRiD Compass

A new lightweight, hybrid routing mesh protocol for packet radios

UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)

Arduino core for the tinyAVR 0/1/2-series - Ones's digit 2,4,5,7 (pincount, 8,14,20,24), tens digit 0, 1, or 2 (featureset), preceded by flash in kb. Library maintainers: porting help available!

An ebook about bare-metal programming for ARM

Unlock password for Motorola pagers

GPIB Peripheral Emulator for GRiD Compass

The simple browser based on litehtml engine (linux)

Bit-banged 100 MBit/s Fast Ethernet transmitter and UDP framer for Raspberry Pi RP2040/RP2350

Go package for the bcm2835 as used in the Raspberry Pi