Projects Mr. Piay likes and follows

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Use the team chat to talk about your projects and find collaborators for whatever you are working on.

Hack Chat

The 2017 Hackaday Prize

My goal is a 4-bit CPU using recycled cardboard substrate and Diode Transistor Logic. This is an educational platform for me.

The Cardboard Computer - IO is my name

dr-cockroach Dr. Cockroach

After three years... Supercon again! And the new badge too!

BADGE FOR SUPERCON.6 / November 2022

voja-antonic Voja Antonic

The 2016 Hackaday Prize

NEDONAND is 8-bit homebrew computer entirely built out of many 74F00 chips (2-input NAND gates)

NEDONAND homebrew computer

Inspired by the video series by Ben Eater, I am developing a set of printed circuit boards for the simple as possible computer.

SAP 1 Computer on Printed Circuit Boards

This is the starter guide for the 2022 Hackaday Superconference badge, designed by Voja Antonic.

2022 Hackaday Supercon 6 Badge Guide

Hackaday Prize 2019

Weave your own Core Memory to learn and hack!

Core 64: Interactive Core Memory Badge

andy-geppert Andy Geppert

I am building a computer featuring a 16-bit RISC CPU made of discrete transistors for learning, fun and art. It will be pretty large.

The Spikeputor

Supplyframe DesignLab: 2023 Hackada…

An Arduino UNO Compatible Board with isolated Glowing headers and some Extras

Uno Plus+

john-loeffler John Loeffler

Simple 4-bit CPU consisting of 11 TTLs. Circuit is duplicated from the one in a Japanese book "how to make CPU", "CPUの創りかた"

TTL based 4-bit CPU

TD4 CPU is a "4bit CPU that runs". It is very interesting for what can be done with so little.

TD4 CPU

agpcooper agp.cooper

A list of projects where the relays are doing some kind of processing or computing - i.e. something more than just switching a load.

Relay-based projects

matseng matseng

Only 2 relays and a few diodes, but 10 functions including ADD and Shift Right. Simplest relay ALU ever designed ?

Simple Relay ALU