Close

Your browser (Internet Explorer) is out of date.

Update your browser for more security, comfort and the best experience on this site.

Update Internet Explorer'

Projects Dr. Cockroach likes and follows

1.6k
446
10
A mask that filters pollutants from the air in a biological way.
Project Owner Contributor

Biotop

m-bindhammerM. Bindhammer

343
327
8
Running An Old System After 40 Years
Project Owner Contributor

Resurrecting Old Computer Hardware And Software

denverDenver

4k
282
20
A simple circuit that can work as a crystal radio (no power needed) or as a regenerative receiver for the FM broadcast band
Project Owner Contributor

When a crystal radio meets a regen receiver

andrea-consoleAndrea Console

18.1k
164
171
A machine that writes stuff for you- in your own handwriting- so you don't have to!
Project Owner Contributor

Homework Machine

devadath-p-rDevadath P R

8.7k
40
46
Goal of the project is to develop and build a homebrew 16 bit relay computer
Project Owner Contributor

Homebrew 16 bit relay computer

peterPeter

3.7k
27
27
A retro-microcomputer in a micro-package. Learn from the ground up, just like the pioneers. Has monitor editor assembler BASIC FORTH LISP...
Project Owner Contributor

1802 MemberChip Card

lee-hartLee Hart

5.5k
24
20
In this project, I built a very simple 4 bit RISC CPU. *Sponsored by PCBway
Project Owner Contributor

The simplest 4-bit RISC CPU

marsianin245Marsianin245

4.4k
19
27
I built a discrete UART reciever using transistors, resistors and LEDs for my school project. It contains ZERO ICs. And it works. :)
Project Owner Contributor

Analogue/discrete UART reciever

jol-de-kanterJoël de Kanter

1.3k
14
13
Miller-Urey experiment based on my ideas and theories
Project Owner Contributor

Modified Miller–Urey experiment

m-bindhammerM. Bindhammer

1.6k
14
15
There are a lot of information about Tesla coils, but still it's tricky to build/tune one. Here we would like to go over and explain ...
Project Owner Contributor

Tesla Coil - Scientific way

100dollarhacker100dollarhacker

749
11
6
Interface old telephonedial to the Badge at HackadayBerlin2023
Project Owner Contributor

Dial-Badge

michael-mllerMichael Möller

1.4k
8
13
Recombobulating a 1970s vintage digital electronic calculator from Eastern Germany
Project Owner Contributor

Soemtron ETR220 Restoration Project

keri-szafirKeri Szafir

528
8
5
A computer designed to survive a societal collapse.
Project Owner Contributor

The People's Permacomputer

blair-vidakovichBlair Vidakovich

287
7
4
A new transistor type, the RFET requires no semiconductor material and is 3D printable. It is my creation shared with you.
Project Owner Contributor

RFET - Resistance Field Effect Transistor

les-hallLes Hall

903
7
10
Intel 4004 single board computer running calculator program, VTL interpreter, 8080 emulator, and so on
Project Owner Contributor

Intel 4004 Homebrew Computer

ryo-mukaiRyo Mukai

872
7
7
This research project is to develop a newborn baby care robot, CryingBaby, which can drink real milk, color milk, and actually defecate.
Project Owner Contributor

CryingBaby (day 0)

takayukikosakatakayuki.kosaka

552
4
4
Chorded keyboard to input texts almost directly in ASCII code
Project Owner Contributor

ASCIICHORD

shaosSHAOS

4
7
Draw schematic diagrams using simple scripts from your browser.
Project Owner Contributor

SimpleCircuit

svenSven

1.2k
4
6
Home made thermocouple and an analog cold junction compensator which gives output voltage directly proportional to temperature in °C
Project Owner Contributor

Thermocouple Amplifier

rudraksha-vegadRudraksha Vegad

995
2
7
A circuit sculpture to participate in the 2023 op amp challenge.
Project Owner Contributor

Chaotic Lighthouse

mabe42MaBe42

79
0
2
a slope detection and reactive mechanism that can detect high slope ground for wheelchair users and lock the wheels.
Project Owner Contributor

Slope Control for wheelchair

anteneh-gashawAnteneh Gashaw

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2024 Hackaday