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A simple bench power supply created by a adding a $15 buck-boost module to a salvaged ATX PSU.
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DIY Variable ATX Bench Power Supply

alexAlex

Sustainable* electricity you make yourself! *for as long as you're willing to sustain.
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Practical Power Cycling

alnwlsnalnwlsn

What if you could run an entire automated greenhouse, a security network, and a heavyweight AI Edge Cluster without plugging into the wall?
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Springhouse

jeremiahJeremiah

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

Integrating Measurement, Control, and Motion in One Platform
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Noora Industrial DAQ

alireza-noferestiAlireza Noferesti

Automatic 3D fish feeder: simple, efficient, and open-source. Download the project and build yours!
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Electronic Fish Feeder

silcios-labSilícios Lab

I got tired of trusting dice I couldn't see.
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ICanRoll: Real Dice, Shaken by a Robot, Certified

gregoryGregory

A DIY, terminal-first cellular communication device designed as a personal network terminal rather than a modern smartphone.
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A Terminal-Style Phone For The Geek

bolan-xuBolan Xu

Reactive RGB LED lights for Inline Skates
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Accel-Lights

mM

A controller for rovers and drones integrating the Raspberry Pi Pico, a 2.8in touchscreen, nRF24L01, wireless charging, & more.
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Robot & Drone Controller

alexAlex

ESP32 E-Ink watch that can run solely on solar power
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LightInk

danielDaniel

Building a modern interpretation of a polyphonic modular analog synthesizer at the transistor level, inspired by early 1970s-80s designs.
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Polyphonic Analog Synthesiser

charlie-theobaldCharlie Theobald

Dead Kurzweil SP4-7 converted into a self-contained synthesizer. Arduino Mega for key scanning, Raspberry Pi 5 + Zynthian for audio, custom
Project Owner Contributor

I Turned a Broken Keyboard Into a Full DIY Synth

seileremersonseiler.emerson

A fully custom ESP32-based thermostat designed for 120V fan coil systems with dimmable OLED, HA integration, and a clean wall-mount design
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ESP32 Smart Thermostat for 120V Fan Coil System

mackswanmackswan

The ultimate open-source aquarium LED and mobile app.
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High-Power Smart WiFi Aquarium LED

li-weiLi Wei

An expandable 68000 based computer
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Y Ddraig - My 68000 Computer

stephen-moodyStephen Moody

Going up?

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