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Made a super small Buck converter module based around LM317 that can provide a stable 5V for powering XYZ electronics.
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DIY LM317 Based Buck Converter

arnov-sharmaArnov Sharma

A high-performance, cross-platform LAN topology visualiser and network monitor built in Python.
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Home Network Dashboard

diddydiddy

An open-source, ROS 2–based mecanum-wheel mobile robot designed to inspire your enthusiasm for robotics.
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LGDXRobot2

kai-tung-yuKai Tung Yu

BK7258 is connected to 2x2.16" 480x480 AMOLED, one L1+L5 frequency band GPS module, and one SIM7670G 4G module. And 4 sensors.
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BK7258 240MHz+2x480MHz low-power IoT platform

eleclabElecLab

An electronic candle that switches off when you blow on it. No moving parts, no microcontroller; just old-style analog circuitry.
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Blow Out an Electronic Candle - The Analog Way

andrea-consoleAndrea Console

this box will provide 8.4V 20A for big RC plane power with 2s lipo receivers and servos
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Power box for big RC plane

jp-gleyzesJP Gleyzes

Thermal imaging with MLX90642 32x24 InfraRed (IR) array
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Infrared Home Intrusion System

florian-wilhelm-dirnbergerFlorian Wilhelm Dirnberger

Lilka: DIY ESP32-S3 Learning Console with NES Emulation, Lua & mJS Support
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Lilka

bsverdlyukb.sverdlyuk

Simple and visual kids clock
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Kid schedule clock

goguelnikovgoguelnikov

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

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

Going up?

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