Things You Can Hold

Byran's open-source laptop

An open-source laptop from scratch

Loved3,237 points323 comments

I replaced a $120k bowling center system with $1,600 in ESP32s

Loved2,935 points359 comments

2019

A retro video game console I've been working on in my free time

Loved2,690 points210 comments

jacquesmattheij.com

Sorting Two Metric Tons of Lego

Loved1,264 points211 comments

HomeMirror

Make a programmable mirror

Curious1,172 points136 comments

PyXL

A hardware processor that runs Python

Curious983 points265 comments

FixHub

iFixit created a new USB-C, repairable soldering system

Mixed928 points405 comments

OptiGap sensor

A new sensor out of 3D printer filament for my PhD

Mixed886 points130 comments

Long Range E-Bike

In the USA the situation is much more risky than here.

Mixed876 points615 comments

Photon

A tiny camera with super long battery life

Mixed843 points299 comments

Velofuso

I designed an espresso machine and coffee grinder

Mixed797 points477 comments

Brutalist Concrete Laptop Stand

Brutalist Concrete Laptop Stand (2024)

Debated786 points240 comments

Bayleaf

Building a low-profile wireless split keyboard

Mixed735 points247 comments

Beepberry

a portable e-paper computer for hackers

Mixed731 points227 comments

Rhei

I spent a year making an electro-mechanical prototype of a liquid clock

Mixed681 points103 comments

MUREX Robotics network switch

A small and cheap network switch

Curious666 points158 comments

WhatCable

A tiny menu bar app for inspecting USB-C cables

Debated566 points168 comments

GreenPiThumb

A Raspberry Pi Gardening Bot

Curious537 points181 comments

inPulse

Our new $149 hackable Bluetooth wristwatch

Mixed460 points143 comments

Raspberry Picrowave

I hacked my microwave with a Raspberry Pi

Mixed423 points110 comments

Shoggoth Mini

A soft tentacle robot powered by GPT-4o and RL

Curious610 points107 comments

RF Hunter

Find hidden cameras and other devices

Curious594 points175 comments

Jamcorder

A tiny device for automatically recording digital pianos

Loved590 points194 comments

dpoint

Open-source digital stylus with six degrees of freedom

Loved583 points108 comments

I made a discrete logic network card

A discrete logic network card

Mixed541 points84 comments

usoldering.com

Reverse-Engineering a Switch Lite with 1,917 wires

Curious513 points114 comments

Air Lab

A portable and open air quality measuring device

Mixed497 points186 comments

AsteroidOS 2.0

Nobody asked, we shipped anyway

Mixed470 points68 comments

Peripherii

Earrings that work like earphones

Mixed462 points184 comments

DIY-CNC-machine

A CNC-machine from scratch, using 40x 3D-printed parts

Curious462 points140 comments

OpenTrailPaper

Open-Source eInk Bike Computer

Mixed424 points134 comments

Gridless Kits

Build A Personal Power Plant for $200

Curious373 points103 comments

Pebble

Our Hackable E-Paper Watch for iPhone and Android

Mixed342 points107 comments

FrameOS

operating system for single function smart frames

Loved474 points112 comments

Simula One

Portable Linux VR Computer

Curious463 points396 comments

I made an Ethernet transceiver from logic gates

An Ethernet transceiver from logic gates

Mixed460 points85 comments

Grooved

A free app to calibrate your turntable by simply playing a song

Mixed452 points227 comments

tsungxu.com

A 3D printed VTOL drone

Curious418 points144 comments

keyer

A tiny hand-held keyboard

Loved411 points107 comments

Homemade rocketship treehouse

hardware to custom OS

Loved410 points53 comments

I built four eight-foot-long handwriting robots

Four eight-foot-long handwriting robots

Mixed408 points164 comments

Gameslab

A FPGA powered handheld game console

Loved406 points50 comments

Enviro+ for Raspberry Pi

Environmental sensors

Curious397 points82 comments

Cycloidal Gearbox

I'm a 15 Year Old Wannabe Engineer, This Is a Cycloidal Gearbox I Built

Loved338 points115 comments

keybytes

A Truly Modular Keyboard

Mixed320 points116 comments

Recovery Kit 2

5 Years Ago I made the Recovery Kit, I just made the RK2

Mixed403 points81 comments

AnySkin

Put this touch sensor on a robot and learn super precise tasks

Loved390 points66 comments

Rainbow

an attempt to display colour on a B&W monitor

Curious389 points58 comments

I built a desktop radiation monitor with Raspberry Pi, brass and wood

A desktop radiation monitor with Raspberry Pi, brass and wood

Loved364 points63 comments

FlopperZiro

A DIY open-source Flipper Zero clone

Mixed364 points73 comments

cm-sdr

I reverse engineered my cable modem and turned it into an SDR

Mixed357 points70 comments

micro-displays

Raspberry Pi 400 with a $2 IPS 240x240 micro display

Curious357 points129 comments

fourlightyears.blogspot.com

Mum's 80th birthday present- a rotary phone from the 1970's

Curious343 points143 comments

PJDL

PJDL an open alternative to 1-wire with a range of 2000m

Loved337 points16 comments

rotary_dial_kmod

Rotary Phone Dial Linux Kernel Driver

Quiet337 points49 comments

ESP32 RC Cars

Loved335 points63 comments

Altar II

I spent 2 years designing a mechanical Magic Keyboard

Mixed306 points245 comments

RootMy.TV

Curious361 points120 comments

SurfSonar

A sonar into my surfboard

Curious332 points91 comments

A device that only lets you type lol if you've truly laughed out loud

Curious321 points85 comments

Pomodoro

Physical Pomodoro Timer with ESP32 and e-paper screen

Mixed315 points68 comments

F32

An Extremely Small ESP32 Board

Curious302 points51 comments

Pila

A Plug-in Home Battery for the 99.7% of us without Powerwalls

Mixed301 points480 comments

Deathstar Lamp

Remote-Controlled IKEA Deathstar Lamp

Mixed291 points55 comments

kindle-dash

Low-power Kindle-based dashboard

Curious284 points71 comments

Foosbar

My autonomous foosball-playing robot

Loved323 points77 comments

algebraic-nnhw

Matrix Multiplication with Half the Multiplications

Debated310 points77 comments

endless-sphere.com

I Designed and Built an eBike

Curious304 points137 comments

Game Bub

open-source FPGA retro emulation handheld

Loved274 points62 comments

I made an alarm clock

An alarm clock

Loved271 points192 comments

solar concentrator

Homemade automated solar concentrator

Curious296 points87 comments