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I designed and tested two LDO based circuits and outdoors the efficiency was higher than an advanced energy harvesting chip.
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Linear solar charging of Lithium Ion Capacitors

jasper-sikkenJasper Sikken

A wall plotter built on an old drawing board: belts and counterweights in pipes, self-homing, SD-card standalone.
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Sash: A Standalone A2 Polargraph Drawing Machine

robert-salmonRobert Salmon

Creating a Foldable PlayStation 2 Handheld:《The PlayStation 2 DUO》
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Creating a Foldable PlayStation 2 Handheld

lcldiyLCLDIY

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

One trip shipping containers are cheap and portable and can make excellent work or living spaces.
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Shipping Container Micro Factory

goat-industriesGOAT INDUSTRIES

Classic arcade with all the latest technological advancements, ready for the classics. Enjoy!
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THE ULTIMATE MINI ARCADE

srrubioSrRubio

RTL-SDR sticks need some love, This self-contained web page receiver does just that
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OFFgrid-SDR

diddydiddy

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

Going up?

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