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Making a processor from scratch using only 74HC series logic... and then giving it a front panel!
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Front panel computer using only 74HC logic

vactronixVactronix

OS-like firmware for ESP32 - A complete environment: Web UI, Menus & Drivers out-of-the-box for MicroPython From breadboard to real projects
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SushiPython & SushiBoard

marcoMarco

I build a model railway controller using analog PWM & block detection with manual and automatic control, and I evaluated the passing siding.
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Model Railway Controller using Analog PWM

mitsuru-yamadaMitsuru Yamada

If you've ever needed to step down a higher DC voltage say, from a 12V or 24V source down to a clean, stable 5V rail without burning power
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MP2307 5V to 24V Buck Converter

electronicsworkshopselectronicsworkshops

A custom 8-bit microprocessor for education/fun, with front-panel controls and an LCD display for simple analysis of system state
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Bare Metal Microprocessor Board

nickNick

A hackable & modular portable hi-fi audio player
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StereoBoy

eric-minEric Min

SCP-1471
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MalO SAO

parallel-logicParallel Logic

Sparrow Extended UI, DHOActions, DHOTools, and DHOVisor: a suite of firmware and software designed to take DHO devices to the next level.
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Enhanced the Rigol DHO800/900 Series Oscilloscope

miguel-risco-castilloMiguel Risco-Castillo

A probe to measure temperature using an oscilloscope.
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Thermocouple O-Scope Probe

schuyler4schuyler4

A handheld device compatible with PlayStation games, built on Sony's original hardware architecture
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A PlayStation handheld console with pure Sony hard

lcldiyLCLDIY

Decoding WWVB with a Turing Machine
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Keeping Time with Turing

darrin-bDarrin B

A frequency and amplitude stable low THD oscillator
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Quartz Stabilized Wien Bridge

jeroen-vJeroen V

OCRd and typeset as html where possible. A work in progress.
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Applix 1616 Documentation

keithKeith

Cheap, few parts, easy to assemble, possibly waterproof
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I built a compact analog joystick from scratch

pietervPieterV

An open hardware bench tool that plugs into your CI: sensor sim, CAN, analog I/O, power control, and a Python SDK with pytest integration
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BenchPod

edward-viaeneEdward Viaene

Can I do better?
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Google Home Max Killer

john-lonerganJohn Lonergan

Going up?

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