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See logic happen. This 3-bit relay adder uses diode grids and relays to show the steps of binary addition
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A 3-Bit Visual Binary Relay Adder

jeroen-brinkmanJeroen Brinkman

A tribute to history and their hackers. Browse this growing collection of Apple-1 programs. Works with the Keyboard Serial Terminal.
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Apple1Software.com: connect with an Apple-1

nijssenNijssen

A versatile clock board that provides an adjustable astable clock (0.7 - 480 Hz) and a monostable pulse (110 ms). Insert your own parts!
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Terrific Timer: a customizable 555-timer!

nijssenNijssen

Sketches with constraints and a feature history. What more could you want.
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BREP.io A browser based parametric modeler.

mmiscoolmmiscool

A $15 edge AI device that detects abnormal vibration in machinery using TinyML on STM32L4 — no cloud, no internet required
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Pulse — Real-time Vibration Anomaly Detector

ayush-kothariAyush Kothari

Goal of the project is to develop and build a homebrew 16 bit relay computer
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Homebrew 16 bit relay computer

peterPeter

Shoulder mounted canon from the predator movies featuring a head tracking system.
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Predator Mask and Shoulder Canon

ivoidwarrantiesI_void(warranties)

An affordable AND useful FPGA board for all. Finally.
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Crystal Board - FPGA Platform for All

chrisChris

Two small GE Explore Locus SPs find a new home, and they happen to be mine.
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X-Ray CT scanners get new life

ahron-wayneAhron Wayne

E = mc² assumes rest.
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Something wrong in this equation

alan-cyrAlan Cyr

It's supposed to be a flipper zero with wheels basically...But you can add more stuff to make it cool.
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Tengu Maraduer Vanguard

lexiLexi

Im trying to make a digi cuper 8 cart ( yes I may have gone insane)
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Digital Super 8 Cart

bozzer91bozzer91

Video to analogue VGA and digital LCD panels.
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STEbus VGA and LCD

keithKeith

Open-source, low-cost 10.5 GHz phased array radar with PLFM modulation; available in 3km and 20km range
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Open Source PLFM RADAR. Up to 20Km Range

nawfalNawfal

designing and developing an android to be controlled by AI in the future .. for the LOVE , PEACE
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Build an Android/Gynoid

strohmain89strohmain89

A compact, headless, 62.5MS/s, 7.5MHz bandwidth oscilloscope.
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NS1 Oscilloscope

schuyler4schuyler4