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In the face of emergencies like fires, gas leaks, and explosions, a reliable safety monitoring system can be built using simple sensors.
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Fire Hazard Alarm Based on BW21-CBV-Kit

ai-thinkerAi-Thinker

5MP Global Shutter Camera for Raspberry Pi
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5MP GS Pi Camera

waves-vision-ltdWaves Vision Ltd

Magnetic Modules: the screw terminal based, magnetic mounted experiment kit. Made from affordable and broadly available parts.
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MagnaMods

jeroen-brinkmanJeroen Brinkman

A PCB which lets you control your PC with Home Assistant (power on, off, reset, monitor power-on state)
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PokyPow

andrejAndrej

Remote control for muting and unmuting the microphone, camera, and speakers
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RemuterMCS

wjcarpenterWJCarpenter

DIY 8L brewing machine automates mashing & cooking with temperature regulation, stirring, and a display-guided brew program.
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8-Liter Automated Beer Mashing and Brewing Machine

fieldmanFieldman

A clock that uses a tuning fork as a time reference, but calibrated!
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A more precise Tuning Fork Clock

ppPP

A metronome that beats at almost, but never quite exactly, 60 beats per minute.
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Metronalmost

mike-coatsMike Coats

A DIY alternative to commercially available OK-to-Wake clocks for sleep training toddlers.
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DIY OK-to-Wake Clock

tim-sTim S

A custom macro-pad with screen and rotary encoder for controlling my PC and office smart-devices.
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Desk Control Panel

tim-sTim S

Art Cinetic is a soothing kinetic sculpture with slow, 3D-printed rotating gears, inspired by Jayleen Lee’s *Mindfull*.
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Kinetic Sculpture

rayanekhimecherayane.khimeche

Tune a cheap wall clock to GPS accuracy.
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Clock Calibrator

lauri-pirttiahoLauri Pirttiaho

A system designed to capture and collect energy from EMFs, now being refined to enhance circuit efficiency and output.
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AEFC - Ambient Energy Field Converter

rhea-raeRhea Rae

No-Si clock, with digital readout 0:00-11:59 TOTALLY WITHOUT SILICON. No microcontrollers, no chips, no transistors. Valves/tubes!
Project Owner Contributor

No-Silicon digital clock

charlesCharles

Integrate any UART-based pollution sensor with polluSensWeb. Via simple JSON conf. —no coding, no special SW! Browser, USB-UART + sensor!
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Your Air Pollution Sensor in Browser

aleksei-tertychnyiAleksei Tertychnyi

Manufacture of photographic materials using home-made sputtering equipment.
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Sputtering equipment for daguerreotype photography

koji-tokuraKoji Tokura

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