Ram Tester for vintage CBM Computer RAM Chips

Build a SDR SW/MW/LW Receiver with a Raspberry Pi Pico

RAMWorks-compatible auxiliary RAM expansion card for Apple IIe

This GitHub repository provides binary release from https://github.com/a2-4am/4sports GitHub source

4000 & 7400 series IC tester

Color Computer 1 8-4164 to 2 4464 DRAM Adapter

Enhanced 4164 DRAM tester using March C- algorithm and access time

This GitHub repository provides binary release from https://github.com/a2-4am/4cade GitHub source

Logic chip tester including tri-state

TTL and CMOS IC Tester with Touch Display

TTL and CMOS IC Tester with Touch Display

Logic IC tester

An Arduino-based stand-alone IC tester for DRAM and TTL chips

Apple II vga + mockingboard audio card

Hardware to program W27C512 EEPROM or any 24/28/32 pin ROM requiring from 5V to 27V programming voltage.

GAL chip programmer for Arduino

Motherboard for Pravetz8A with GAL

100s of games at your fingertips, as long as your fingertips are on an Apple ][

Apple Macintosh SE/30 and SE DIY replacement power supply board (PSU)

USB host/device implementation using PIO of raspberry pi pico (RP2040/RP2350).

Saturn 128K Language Card ProDOS RAMDrive

MCP Server for Adobe After Effects. Enables remote control (compositions, text, shapes, solids, properties) via the Model Context Protocol using ExtendScript.

Apple 2 and 2e suitable slot extender to allow Apple cards to be worked on outside the case.

6502 Apple II SmartLoader for Smartdisk II

Fruit Jam demo/tester thing for using two USB gamepads with asyncio

Firmware project for the Apple IIc A2C_DVI digital video cards

An Apple IIe/c text-based presentation program.