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A lightsaber inspired necklace and a more bejeweled alternative
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Solar Powered Necklaces

colin-catlinColin Catlin

My watch runs off "disposable" lithium cells. I retrofit it to run like a grandfather clock: weights and gravity.
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Gravity-Powered Digital Clock

ethanEthan

Simple and visual kids clock
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Kid schedule clock

goguelnikovgoguelnikov

New cut on an old idea
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2026 Mobile Compute Station

curtis-soldanoCurtis Soldano

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

Using NFC RF energy harvested from a phone tap to submit commands and start a microcontroller. No standby power.
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Harvesting NFC Energy to Transmit Commands

casparcaspar

Created in 1972, the Model 832 was designed as part of a training program to teach both digital electronics and computer operations.
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NRI Model 832 Digital Computer Reproduction

michael-gardiMichael Gardi

Welcome to the most painfully niche thing I've created.
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Solar Solenoid Controller - WellWatch

jesse-farrellJesse Farrell

Building a mechanical television with parts only from the 1920s. Focusing on simplicity.
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Mechanical Television - only 1920s parts

paul-kocylaPaul Kocyla

A modular analog computer. The modularity makes the system scalable and flexible.
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Modular analog computer

marco-mMarco M

A small wagon to put your running stuff in and bring it along but also a place to sleep in at night for multi day adventures/trips.
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Camperwagon 3.1 - Runnerwagon

zingo-andersenZingo Andersen

Using the ESP32-C3 as the main controller and an MLX90640 or Heimann 5.0 thermal imaging sensor, it can connect to an AP hotspot and allow u
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DIY portable rechargeable WiFi thermal imaging dev

zhijunZhiJun

A retrosystem based on the elegant 8/16 bit 6809 processor capable of running UniFLEX and OS9 level II multiuser/multitasking OS
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6809/6309 Eurocard CPU System

roelof4roelof4

Equation-Driven Pots is a generative design project that utilizes mathematical equations to create functional, 3D-printable plant pots.
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Equation-Driven Pots

arkadiArkadi

The extension board with switches, buttons, leds, VGA output and general interfaces.
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Evaluation board shield for Tang Nano 9k FPGA

pavelPavel

A sealed field radio with CRT terminal interface, physical controls and Spotify streaming. Built as a fully self-contained hardware device.
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A-63 Field Radio

markus-httnerMarkus Hüttner