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Advance Power Delivery trigger that is designed up to 48V. The full 240W spec of USB PD 3.1 with EPR and AVS!
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RotoPD Pro - USB-C 240W Breakout I2C

centylabCentyLab

Retro display in a Windows 95 style to display the weather based on an ESP32 Cheap Yellow Display
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Win95 Retro Weather Display

blanchard-jordanBLANCHARD Jordan

Automated Pressure Advanced Calibration for FDM 3D printer
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Auto PA for 3D printer

markmark

This is a power plant design Boyscout logic and high school math (Particles removed desalination available R O ready water is end product)
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Tidal Pulse Tower

alan-cyrAlan Cyr

Gravity generator
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Hourglass Generator

alan-cyrAlan Cyr

Cog reduction method for generators / bldc motors
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Cog Reduction

alan-cyrAlan Cyr

Hacked sandals for running fast & long.
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Super sandals

lion-mclionheadlion mclionhead

Open-sourced reverse-engineer of the LEGO SMART Brick's electrical engineering components by a hobbyist.
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Reverse Engineering a LEGO SMART Brick

rei-johnsonRei Johnson

Using 5 cheap BJT (BC547) I built a small, cheap and easy class C QRP amplifier for HF bands.
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1-30 MHz 0.5-1W class C amplifier

guido-iw5alzGuido - IW5ALZ

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

chrisChris

ESP32-based hot air SMD rework station with PID control, dual PCB design, built-in safety and calibration features.
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ESP32 SMD Rework Station with PID and Micropython

srinivasan-m-sSrinivasan M S

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

bsverdlyukb.sverdlyuk

An easily reproducible and compacted iteration of my first Raman build. Using a surplus spectrometer, cheap laser and high-quality filters.
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CubeRaman: 3D-Printed Raman Spectroscopy

jacobJacob

The first truly personal device for kids — designed to grow with them from drawing sprites to writing C++
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RCKid

zdukaZduka

Arduino + Franklin oscillator
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Turning Impedance into Frequency: An LC Experiment

nobchanobcha

I wanted to buzz around 2024 EMF camp in something different. So I designed and built an electrically powered, tracked tricycle.
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Electric Tracked Tricycle for EMF camp

tony-goacherTony Goacher

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