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Legend has it: More Screens = More Skill
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Duo Monitor Steam Deck

waterloggedWaterLogged

A 100% "safe" LED tester with a hod dog current limiting resistor and fork electrodes.
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100% "Safe" 120VAC LED tester

ian-dunnIan Dunn

custom(izable) circuit for sending some megabytes over differential pairs.
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miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdesYann Guidon / YGDES

By Gary Keall. 256x192 pixels. Patches BASIC so you can PLOT(n,x,y) instead of USR(addr) calls.
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ZX81 hi-res graphics board G007

keithKeith

A Euro-rack Version of my Similar Atari Punk Console synthcard with a Stingy Edge.
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SunBurst Sting OSCILLATOR

neil-mundtNeil Mundt

Composite Crossed Roller Bearing: 3D Printed with Metal Wire Raceways
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Low Cost Composite Crossed Roller Bearing

benBen

This projects shows that armed with only a budget 3D printer how to print an entire centrifugal pump in a single piece.
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Can you Print-in-Place a Water Pump

benBen

FOSOPAS for short, Predalert for convenience
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Farmers' Open Source Optical Predator Alert System

jacobJacob

Handheld LiDAR device with sliding lever haptic feedback. Helps newly blind users build spatial confidence. Open-source, Pi5 >> ESP32
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FeelBeam: Haptic Distance Navigator

vasilii-belykhVasilii Belykh

Banamera is an AI-powered digital camera that edits your photos using voice commands.
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This AI Camera Edits Photos With Voice Commands

nick-bildNick Bild

Alternative to ComfoSense and ComfoConnect Lan, much cheaper and more user friendly
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Alternative to Zehnder ComfoAir Q controller

vincentmakesvincentmakes

Using the classic single transistor negative resistance relaxation oscillator to flash colour changing LEDs
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A Backwards Way to Flash Colour Changing LEDs

jason-jacquesJason Jacques

A fully open-source smart energy meter capable of monitoring up to 17 channels. Supports MQTT, REST API, Modbus TCP, InfluxDB, AWS IoT Core.
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EnergyMe - Home

jibril-sharafiJibril Sharafi

Keep your resin at the right temperature with this USB-PD powered vat heater featuring ESP32 control, dual channels, and fan support.
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Vat Heater for Resin 3D Printers

dimitarDimitar

A compact and rugged LoRa repeater designed for long-range communication and 5+ years of off-grid operation using only alkaline batteries.
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LoRaTube

bertrand-selvaBertrand Selva

A 64-knob virtual-analog synthesizer on Raspberry Pi Pico 2 — fully tactile, no menus, real-time control.
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Darśana — 64-Knob Virtual-Analog Synth on Pico 2

hiroyuki-oyamaHiroyuki OYAMA