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Can an ab roller propel a human like a motorcycle if fitted with an engine?
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Motorized Ab Roller (2025)

human-controllerHuman Controller

A retrosystem based on the elegant 8/16 bit 6809 processor capable of running UniFLEX and OS9 level II multiuser/multitasking OS
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6809/6309 Eurocard CPU System

roelof4roelof4

FPGA-based NN accelerator for MNIST digit classification using a 100% open-source toolchain: Yosys, nextpnr, and openFPGALoader
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Neural Network Accelerator on ECP5

uttam-kumarUttam Kumar

Open source serial adapter / reboot controller for Apple Silicon Macs
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Central Scrutinizer: a serial adapter for M1/M2/M3

mazmaz

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

srrubioSrRubio

Cheap, easy to fabricate, robust to throwing
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Low-Cost Fiducial-Based 6-axis Force-Torque Sensor

nrobotnrobot

Quad-tube Geiger coincidence detector that uses cosmic ray muons as a true hardware RNG and decision oracle.
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Muon Oracle

allan-binderAllan Binder

Ab Rider 2023
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Motorized Ab Roller (2023)

human-controllerHuman Controller

Ab Rider 2024
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Motorized Ab Roller (2024)

human-controllerHuman Controller

In-Situ Synthesis of Conductive Nanomaterials via Tool-Changing system on an FDM corexy 3D printer.
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Hybrid MicroElectronics-Factory 3D Printer

joanbelkJoanbelk

An open-source Software Defined Vehicle platform. Edge-first, offline-capable, from microcontroller to mobile app.
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TrailCurrent - Wilderness. Wired.

dave-floydDave Floyd

Control the LED with an Android App
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BLE Blinky on ESP32-C3

canhobbycaCanHobby.ca

An electronic candle that switches off when you blow on it. No moving parts, no microcontroller; just old-style analog circuitry.
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Blow Out an Electronic Candle - The Analog Way

andrea-consoleAndrea Console

Compact USB PD-powered Reflow soldering table with BLE control via browser.
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USB PD Reflow micro table

vitalyVitaly

Cryptocurrency micro-miner that fits in your pocket. Just open to the sun and start mining. Some crypto is better than no crypto!
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Pocket Crypto Miner (Solar)

andrew-sheppardAndrew Sheppard

A 120-cell asynchronous parallel signal processor for SDR. No clock, no flip-flops. Self-timed. SKY130 PDK. Tapeout May 2026.
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Kyttar - Asynchronous Parallel Signal Processor

chuck-mcclishChuck McClish

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