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This is an 8 bit vacuum tube computer I built using recycled 1950s Vacuum Tubes I found in Eastern Europe a few years ago.
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Vacuum Tube Computer

mikeMike

Turning a Seeed XIAO SAMD21 and one big MOSFET into an adjustable low-side linear regulator, with no op-amp in the loop
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MCU-based adjustable (via UART) LDO

aleksei-tertychnyiAleksei Tertychnyi

A $4 toy robot + an old Android phone became a voice-driven AI companion; a 0.8B model gives it 200 ms reflexes that skip the LLM.
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Bot Reborn: a $4 toy robot with 200 ms reflexes

beasaltfishbeasaltfish

This is the result of a community project at Hackheim Makerspace in Trondheim. It is our take on the "water bike matrix printer thingy"
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Big Dripper

hans-jrgen-grimstadHans Jørgen Grimstad

I brought up a commercial Zynq board, captured a real ADC signal, and built a working FPGA receiver path.
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HF Receiver on SmartZynq and AD9248

guido-iw5alzGuido - IW5ALZ

Where we harness the power of AI and OpenSource to spin a new generation of LambdaSpeak 3 for the Amstrad CPC # RC2026/10 Entry! #
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LambdaSpeak 4 aka LambdaSpeak AI

michael-wesselMichael Wessel

Transcribe MIDI to readable music notation
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MIDI transcriber

lion-mclionheadlion mclionhead

Add BlueTooth logging to an AirGradient outdoor monitor to allow mobile monitoring and data capture
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Add BlueTooth logging to AirGradient Monitor

randy-elwinRandy Elwin

Time Warp Studio: Retro-Modern IDE with 10 built-in interpreters, universal debugger, turtle canvas, and 2 virtual machines.
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Time Warp Studio

james-templeJames Temple

Four Knob Fuzz Custom Noise based on classic one knob fuzz by Coloursound.
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4KFCN

barryjosephcullenbarryjosephcullen

A computer built around a real Zilog Z80, wrapped in an FPGA bus arbiter, STM32 supervisor and RP2350 VDP. With my own architecture.
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Z-Frame

sergeSerge

Text on a small display should come alive. It started with clock digits made of Bézier curves; this is where the idea went.
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Bringing Text to Life on an ESP32

anton-petrusevichAnton Petrusevich

A battery ESP32-S3 button on the shop wall saves the last sixty seconds from nine cameras at once, over ESP-NOW and the Blue Iris JSON API.
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Shopcam 2000: a button that records the past

gearscodeandfiregearscodeandfire

SARV is an open-source, six-stage RV32 processor with configurable ISA extensions, caches, and embedded-system support.
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SARV A Risc-V

amirreza-torabiAmirreza Torabi

A fun (and beautiful) little device that adds AirPrint and AppleTalk to the Apple ImageWriter II over Wi-Fi
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AirWriter

wells-workshopWells Workshop

Ensure you're the first to summon Shenron
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Dragon Ball Radar

extra-long-divisionExtra Long Division

Going up?

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