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Projects Keri Szafir likes and follows

  • oshpark
12.4k
8.1k
113
electronic conference badge for 2018 Open Hardware Summit attendees
Project Owner Contributor

2018 Open Hardware Summit badge

oshparkoshpark

37.8k
3.1k
204
Quickly identify radioactive materials with a pocket-sized ion chamber. Built from standard parts for easy manufacture and low cost.
Project Owner Contributor

Open Radiation Detector

carlos-garcia-sauraCarlos Garcia Saura

1.9k
2.3k
9
This project try get the dimensions about a deep foundation without a danger to the responsible for the excavation survey.
Project Owner Contributor

Deep Foundation Laser Scanner

laio-athos-nevar-fonsecaLaio Athos Nevar Fonseca

2.5k
1.9k
23
An automata music sequencer using cams, gears and pulleys to program the note sequence. Music generated by 555 square wave output.
Project Owner Contributor

Automata Music Sequencer

dean-segovisDean Segovis

20.6k
1.9k
32
Hacking a digital audio output (i2s and/or optical) onto an Amazon Echo Dot V2
Project Owner Contributor

Hi-Fi Digital Audio from the Echo Dot

mattMatt

9.4k
1.6k
27
Nice amplifier
Project Owner Contributor

80W HiFi Audio Amplifer

peroPero

241
362
15
Play Music ? Like Music? Hack Music? Lets hangout and chat!
Project Owner Contributor

Music Chat!

avrAVR

1.9k
271
15
Making a large Panaplex display clock work again
Project Owner Contributor

Restoring a Beckman neon display clock

ken-yapKen Yap

5.5k
221
135
[ an open-access peer-reviewed journal ]
Project Owner Contributor

Hackaday Journal of What You Don't Know

aleksandar-bradicAleksandar Bradic

25.9k
206
235
cordwood + smt + jewelry + blinkies + zinc-air batteries
Project Owner Contributor

cyborg ring

zakqwyzakqwy

5.3k
41
41
Silicon-free computer on vacuum and cold-cathode tubes with pure brainfuck instruction set
Project Owner Contributor

DekatronPC

artem-kashkanovArtem Kashkanov

10.7k
36
38
Portable device that emits XRays when the trigger is pulled. No battery necessary. Can be used to safely test radiation detectors.
Project Owner Contributor

XRay emitter device made from a barbecue lighter

ghGH

4.7k
34
41
An artistic display of a psuedo random number generator that will never* repeat, done in discrete logic.
Project Owner Contributor

The Forever Number

quinnQuinn

2.2k
29
31
A group for those who want to build their own bipolar transistors
Project Owner Contributor

Bipolar dudes

yann-guidon-ygdesYann Guidon / YGDES

4.5k
12
10
This is a classical OTL (Output Transformerless) headphone amplifier base on popular 6AS7GA and E88CC double triode
Project Owner Contributor

OTL - Headphone tube amplifier 6AS7GA and E88CC

simonSimon

122
11
10
Talk on building logic from discrete MOSFETs given at UK Unconference
Project Owner Contributor

Uncon Talk: Discrete D Flip Flops

mike-szczysMike Szczys

2.7k
9
7
Assembling my own USB microscope out of old junk, spare parts and a little bit of home-shop metalwork
Project Owner Contributor

USB Microscope

andy-prestonAndy Preston

5.5k
6
8
Modifying and building out a low cost TPA3116 class-D amplifier board with bluetooth
Project Owner Contributor

Portable TPA3116 100w*2 amplifier

quinnQuinn

730
5
3
Driving a magnetic stir bar without any moving parts like a very slow Brushless DC Motor. ATtiny24A - SN754410
Project Owner Contributor

"Brushless" / Induction Stir Plate

andy-prestonAndy Preston

66
4
3
Simple arduino based nixie clock for different tube types
Project Owner Contributor

Nixie Clock

marcel-ochsendorfMarcel Ochsendorf

1.1k
3
3
Debugging and repair of two failed units
Project Owner Contributor

Rubidium Frequency Standard Repair

quinnQuinn

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