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Some new digital modes requires a precise time reference: something that is simple to achieve using linux and a inexpensive hardware.
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Ham Radio GPS Time reference

giorgio-rutiglianoGiorgio Rutigliano

A simple Arduino-based CAT PTT tool for legacy radios, providing safe, reliable transmit control without VOX or unstable serial PTT lines
Project Owner Contributor

CAT PTT for legacy radios

giorgio-rutiglianoGiorgio Rutigliano

An avant-garde, optical-analog, hot-monitor.
Project Owner Contributor

Awesome Incandescent Monitor

kartikeyaKartikeya

Prototype of rather small device with PIR sensor NS312
Project Owner Contributor

Small Motion Sensor

martybanovicmartybanovic

Explore the computer byte with this educational easy-to-solder kit. Toggle in 8 bits and see their decimal, hex or octal value. With game!
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8-bit Workbench ED: hands-on with number systems

nijssenNijssen

The internet is a massive floppy drive for your C64 with Meatloaf!
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Meatloaf

jaimejaime

Spectrophotometer To Determine Normalized Difference Vegetation Index (NDVI) Built With Raspberry Pi And NIR Spectral Sensor
Project Owner Contributor

Plant Foliage Health Monitor

guillermo-perez-guillenGuillermo Perez Guillen

A text-mode version of a vintage game, on a vintage computer
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Mono-Key King

david-plassDavid Plass

Systematically quantifying sleep behavior by capturing and analyzing how body weight is distributed across a sleeping surface over time.
Project Owner Contributor

Quantifying Sleep Positions With Body Weight

bret-bernhoftBret Bernhoft

NES Radar turns a 1985 game console into a live air traffic scope.
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NES Radar | 8-Bit Flight Tracking

leviLevi

A File Manger for Altair 8800 and CP/M 2.2 written in 8080 Assembler
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STEM

matt-brugmanMatt Brugman

Battery powered dmx Led Lamp hack below €20,-
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Wireless Stage Light

jarl-einar-ottestadJarl Einar Ottestad

A freeform brass wire sculpture featuring a round capacitive touch screen, 6-axis IMU auto-rotation, and reactive led filaments.
Project Owner Contributor

YUMO SMART CUBE: Touch screen/ESP32-S3 Brass Wire

yumobuildsYUMO.BUILDS

A hand-bent 1.5mm brass wire clock sculpture powered by ESP32-C3 with NTP time sync, hardware-multiplexed 7-segment display, and 5-stage SK
Project Owner Contributor

YUMO GLOBE

yumobuildsYUMO.BUILDS

Tiny ESP32-C3 desk gadget with OLED, live weather sensing, proximity glow & a phone-controlled web interface.
Project Owner Contributor

YUMO PULSE — ESP32-C3 Desk Gadget

yumobuildsYUMO.BUILDS

An affordable computer that anyone can make! CP/M for all! A RunCPM Project
Project Owner Contributor

Arduino Due CP/M Personal Computer

martianMartian

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