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My idea is to build a small solar panel using 24 power transistors in a TO3 package. To do this, I'll uncover the transistors.
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SOLAR BJT charger SEE THE VIDEO

maxMax

PixiJS port of the "Substrate" (XScreenSaver) algorithm.
Project Owner Contributor

Substrate | Pixi

likeabloblikeablob

New cut on an old idea
Project Owner Contributor

2026 Mobile Compute Station

curtis-soldanoCurtis Soldano

Retro display in a Windows 95 style to display the weather based on an ESP32 Cheap Yellow Display
Project Owner Contributor

Win95 Retro Weather Display

blanchard-jordanBLANCHARD Jordan

Cerberus is my extension of USBvalve. Built on a Raspberry Pi Pico, it detects malicious USB devices to stop them before they reach the host
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Cerberus — A USB Watchdog

glitchboiGlitchboi

All we need to do get some big resistors and connect them up in different combinations, right?
Project Owner Contributor

10kW (30kW pulse) Electronic Load

tinfevertinfever

Open-source, low-cost 10.5 GHz phased array radar with PLFM modulation; available in 3km and 20km range
Project Owner Contributor

Open Source PLFM RADAR. Up to 20Km Range

nawfalNawfal

A 13-DOF bionic robot dog with ESP32 & Pi 4B. Supports ROS, OpenCV, and Inverse Kinematics for lifelike movement. Developed by XiaoR Geek.
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XR Corgi: AI Vision Quadruped Robot Dog

alisawualisa.wu

Here you can access all the resources and files for this air pressure kit.
Project Owner Contributor

Air Pressure Sensor Kit

nelson-phillipsNelson Phillips

Connecting 8 FSR pads to a Raspberry Pi 5 to measure and analyze my sleeping positions over a prolonged period of time.
Project Owner Contributor

Quantifying Sleep Positions With Body Weight

bret-bernhoftBret Bernhoft

Directional ultrasonic speaker made of cheap ultrasonic transducers, capable of focusing sound into a beam
Project Owner Contributor

Ultrasonic Sound Gun

nasserNasser

An enterprise-grade, 40-node modular cluster designed for OpenStack/K8s. Open-source hardware bringing data-center features to the homelab.
Project Owner Contributor

Project Aether: 5U Baremetal ARM/RISC-V Cluster

null-runnerNull Runner

How to build a simple yet visual clock to help kids follow their schedules
Project Owner Contributor

Kid schedule clock

goguelnikovgoguelnikov

Using 5 cheap BJT (BC547) I built a small, cheap and easy class C QRP amplifier for HF bands.
Project Owner Contributor

1-30 MHz 0.5-1W class C amplifier

guidoGuido

Weight activated toilet cover opens when stepped on and closes when leaving improving hygiene and odor control with no electricity.
Project Owner Contributor

Weight Activated Automatic Squat Toilet Cover

anteneh-gashawAnteneh Gashaw

Project documenting the build of a penetrating device running Bruce Firmware
Project Owner Contributor

Brucey

rhea-raeRhea Rae

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