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Projects helge likes and follows

3.5k
4k
24
Thermionic energy conversion isn't very efficient (it's also nothing new) but they *are* photovoltaic devices you can build with a torch
Project Owner Contributor

Glass Tube Solar Thermionic Converters

nick-pooleNick Poole

4.5k
1.4k
35
Hack an optical mouse to detect seismic vibrations with a simple laser source, a hacked mouse lens and a physical cantilever arm setup.
Project Owner Contributor

Low-cost seismograph using optical mouse

subir-bhaduriSubir Bhaduri

9.1k
477
32
Because paying $2k for a piece of plastic is BS. IPD system included.
Project Owner Contributor

Easy "Pancake Lenses"

walkerdevWalkerDev

9.4k
282
29
A lost art, that few can still use, and guard viciously as a company secret.
Project Owner Contributor

Universal Coil winding Machine

brettBrett

10k
46
41
Making the most of non-ideal components in a non-ideal world.
Project Owner Contributor

Multislope ADC

nnniNNNI

3.5k
36
45
This is a 31 Segments Cistercian Display capable of displaying a number from 0 to 9999 with RGB segments.
Project Owner Contributor

31 Segments RGB Cistercian Display

josue-alejandroJosue Alejandro

16.7k
26
21
How to use LIDL "smart" battery, to power custom electronic such as robots or ebike, Reverse engineering their bluetooth connectivity..
Project Owner Contributor

LIDL PARKSIDE Battery hacks

thomas-flayolsThomas Flayols

3.1k
24
18
base on electromagnetic pump
Project Owner Contributor

Mini Selective solder machine

martinzmartin.z

5k
22
26
An open-source Analog Lock-In Amplifier LOCKDOWN: LOCK-In Device for Observing Weak and Noisy signals
Project Owner Contributor

LOCKDOWN: An open-source Analog Lock-In Amplifier

mark-omoMark Omo

1.5k
18
24
I still can't believe it's working.
Project Owner Contributor

A different kind of programmable LED

sam-ettingerSam Ettinger

1.4k
18
17
A matrix built from sixteen boards each containing eight - four character seven segment displays for a total of 4096 individual segments.
Project Owner Contributor

Number Matrix

seasleyeceseasleyece

1.1k
17
15
LEGO blocks for analog design
Project Owner Contributor

Op-amp building blocks

mihaicuciucmihai.cuciuc

570
13
9
Bootstrap: A large volume 3d printer that can be built at home without requiring any custom 3d printed or machined parts.
Project Owner Contributor

Bootstrap 3D Printer

es-pronkE/S Pronk

1.2k
11
16
An attempt at advanced juggling with BLDC servos
Project Owner Contributor

BLDC Juggler

josh-pieperJosh Pieper

714
8
13
Re-creating an equivalent of a spark chamber to see trajectories of muons from cosmic rays
Project Owner Contributor

Cosmic Pixels

muthMuth

1.7k
7
11
This is how to make a large display using ARGB computer fans as the method of having pixels for the screen.
Project Owner Contributor

SignalRGB Fan Wall

robbierobbie

1.3k
6
5
Mini WAV recorder based on STM32G030F6P6 and I2S microphone
Project Owner Contributor

Mini WAV Recorder

maksymMaksym

1.1k
5
4
A cheap & cheerful widget to control those RGB strips everyone has
Project Owner Contributor

WS2812 Controller

jesse-farrellJesse Farrell

369
3
2
Ongoing project to reverse engineer parts of most productive mouse ever.
Project Owner Contributor

Reverse engineering Logitech MX Master

c00c00

369
3
5
My own version of a Simon type game in business card form.
Project Owner Contributor

PCB Business Card: Simon Game

eric-ljungquistEric Ljungquist

315
2
4
A wireless "tripwire" that switch your desktop app when motion is detected
Project Owner Contributor

Wireless Tripwire with Machine Vision

simonxiSimonXi

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