diy projects
30 ATtiny412 Chips Recreate a 1928 Bicycle-Chain Number Sieve
Maker KB Sriram rebuilt a 1928 mechanical number sieve using 30 ATtiny412 chips and an RP2040, and the century-old math still checks out perfectly.
microcontrollers
Olimex’s Neo6502kbd Hides a Real MOS 6502 Inside a 50-Euro Keyboard
Olimex put a genuine WDC W65C02 under a wedge-shaped keyboard, paired it with an RP2040 for video and USB, and priced the Apple II…
diy projects
This ESP32 CHIP-8 Computer Runs on a Flame and a Stirling Engine
No battery, no wall wart. A Stirling engine and a candle push enough current to run an ESP32 CHIP-8 machine with an OLED and…
diy projects
Build a Working Apollo DSKY Replica with Raspberry Pi and Arduino
A maker rebuilt the Apollo DSKY with a Raspberry Pi, Arduinos, and open-source VirtualAGC. Every CAD file and schematic is free, so you can…
diy projects
Build a Handheld Commodore 64 on a Raspberry Pi 3 and Pico
YouTuber Retro Dad crammed a full Commodore 64 into a Raspberry Pi 3 handheld, with a Pi Pico bridging authentic 9-pin joystick ports. No…
diy projects
Fruit Jam RP2350: Build a Retro Mini-Computer You Can Learn On
The Adafruit Fruit Jam RP2350 kit becomes a Mac Classic, Apple IIe, NES, or CP/M box, making a whole computer's layers visible to students.
diy projects
Portable Commodore 64: A Raspberry Pi Retro Handheld
A YouTuber packed a full Commodore 64 into a pocketable Raspberry Pi handheld, complete with a real keyboard, joystick ports, and a Pi Pico…