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Combining a Raspberry Pi Zero 2 WH computer with an Adafruit MCP9808 temperature sensor.
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EnviroPi Temp Monitor

bret-bernhoftBret Bernhoft

A visual diagrammer that turns a node graph into a complete ESP32 Arduino web-server sketch. No toolchain.
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ESP-GenUI

geoffrey-wellsGeoffrey Wells

Draw graphics through a serial port
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Graphics terminal for small computers

keithKeith

X/Y Plotter for high wattage UV LEDs to expose Cyanotype and other printing methods.
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UV Paper Printer

johnjohn

Using base-emitter junction on NPN BJT transistor instead of NTC
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Transistor instead of thermosensor? Sure!

aleksei-tertychnyiAleksei Tertychnyi

My first attempt at writing an X-Windows graphics program
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X-Windows graphics

keithKeith

BASIC Wires the House: BLE Sensors, MQTT, and a $7 Web Server — No SDK, No Cloud
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Home Monitor using BASIC on ARM CPUs

bruce-eisenhardBruce Eisenhard

Polyphonic oscillator with spare parts and a $0.50 chip
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Symple Synth

roni-bandiniRoni Bandini

Sage is an experimental, open, and deliberately simple private AI that runs entirely on a Pi 4.
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Hackable Private AI for Your Home Network

psauxpsaux

An open hardware bench tool that plugs into your CI: sensor sim, CAN, analog I/O, power control, and a Python SDK with pytest integration
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BenchPod

edward-viaeneEdward Viaene

A DIY optical instrument that exploits thin-film interference and projection for ambient lighting (without using any digital technology)
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Maelstrom Lamp: Analogue Interference Light Art

michele-lorenziMichele Lorenzi

A tiny FPGA-resident programmable sequencer that controls time and space directly
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PTSG — Programmable Timing Sequence Generator

tsuneoohnakaTsuneo.Ohnaka

A beginner made a typing practice device.
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Haptic Touch Typing Trainer Using Vibrating Keys

cupricecuprice

N64 Arcade Table with 4 Screens and Splitscreen Multiplayer. Custom arcade Controller with different control options.
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N64 Splitscreen Arcade Table

florianbednarzflorian.bednarz

Half-Cycle Precision Monitoring, Measurement & Protection for AC Voltage & Current | True-RMS, Mean, PK-to-PK | Dual Surge Protection
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Half-Cycle Precision Power Monitoring Switch

alireza-noferestiAlireza Noferesti

I build a model railway controller using analog PWM & block detection with manual and automatic control, and I evaluated the passing siding.
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Model Railway Controller using Analog PWM

mitsuru-yamadaMitsuru Yamada

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