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While there are several open source versions of various AI applications out there, there is still very little out there for doing training.
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Let's Build a Modern LLM - Entirely from Scratch

glgormanglgorman

A full-featured Forth-based RTOS for ARM Cortex-M
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zeptoforth

travis-bemannTravis Bemann

A USB-C PD Sink up to 140 W, 28 V, 5 A based on the Diodes Inc. AP33771C USB PD Controller
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USB-C PD 3.1 EPR Power Delivery Sink - AP33771C

magicwolfiMagicWolfi

A probe to measure temperature using an oscilloscope.
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Oscilloscope Thermometry

schuyler4schuyler4

A small 8-bit microprocessor for education/fun, with front-panel controls and an LCD display.
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Bare Metal Microprocessor Board

nickNick

Mini robo-dog being created from scratch (both software and hardware design).
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BRUNO - quadruped robo

vadimVadim

Edge-parsing legacy RS232 ASCII weighing scales to clean Modbus TCP for SCADA/Node-RED without writing any custom Python code.
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Edge-Parsing Legacy RS232 Scales to Modbus TCP

christopherscottChristopher.Scott

A MIDI Sound and Interface Card for the TRS-80 Model 1, III, and 4
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MIDI-80 for the TRS-80

michael-wesselMichael Wessel

My attempt at making a fun humanoid-like robot.
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Almost humanoid robot

tanguyTanguy

Real-world sourcing notes on unusual LED filament and COB shapes for wearables, jewelry, and small hardware projects.
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Weird Shaped LED Sourcing Notes

sesamewensesamewen

Open source USB rubber ducky, from Arduino Micro to ESP32-S3
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EvilDuck S3: The RubberDucky I Always Wanted

cifertechCiferTech

A tiny FPGA-resident programmable sequencer that controls time and space directly
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PTSG — Programmable Timing Sequence Generator

tsuneoohnakaTsuneo.Ohnaka

The Pocket LAN Tester is a small handheld tool that gives quick network feedback directly on an OLED display.
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Portable Raspberry Pi Pico LAN Tester

markusMarkus

A Practical 4-Bit Educational Computer * Reinvented Retro Contest 2021 Winner *
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Microtronic - The Next Generation

michael-wesselMichael Wessel

A Talking Arduino-Based Emulator of the Busch 2090 Microtronic Computer System.
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The Talking Microtronic Computer System Emulator

michael-wesselMichael Wessel

Compute like its 1981 - hex on a 6digit 7segment LED bubble display! (One of the) RetroChallenge 2021/10 "Winners"
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A Retro-Authentic Microtronic - RC 2021/10 Winner

michael-wesselMichael Wessel

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