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A little standalone emulation platform for machines from the seventies based on the RP2040. Just add a terminal.
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The Seventies Board

alexandra-bastet-stehrAlexandra Bastet Stehr

Hackery of MELPS-740-based devices...
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M-740 Reverse-Engineering And Hacking Adventures

eric-hertzEric Hertz

SRAM Emulator and SD Card Interface for Vintage Single Board Computers (such as the Heathkit ET-3400, Lab-Volt 6502, and Microprofessor)
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PicoRAM Ultimate

michael-wesselMichael Wessel

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

travis-bemannTravis Bemann

A temperature & humidity sensor ecosystem designed for ultra low power and ultra high security.
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Canique Climat

caniquecanique

Prison tech aesthetic for the unincarcerated
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Transparent ereader

quackieduckieQuackieduckie

Modular open-source microphone array for the development of acoustic camera, direction of arrival and beamforming algorithm exploration
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Sesenta: Open source tileable acoustic camera

andrs-felipe-caldern-de-restrepoAndrés Felipe Calderón de Restrepo

Automated Pressure Advanced Calibration for FDM 3D printer
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Quickly and Accurately calibrate PA values

markmark

After 7 years, the project is still very much alive!
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WEEDINATOR 2026

goat-industriesGOAT INDUSTRIES

In this project, I built a very simple 8 bit RISC CPU Using small number of TTL chips.
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The simplest 8-bit RISC CPU

marsianin245Marsianin245

Fully weather-proof pan and tilt camera bracket controlled by bowden cables suitable for MIPI cameras as used by Raspberry Pi .
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Weather-proof Pan and Tilt Camera Bracket for RPi

goat-industriesGOAT INDUSTRIES

This is another camera body based on Raspberry Pi HQ Cam
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Another camera JDC34

jacob-david-c-cunninghamJacob David C Cunningham

Exploring RF only LoRa mesh behavior using Lily Go and other various Mesh and Non Mesh devices.
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LoRa

rhea-raeRhea Rae

Arduino Clock
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Ender_Clock_Duino

rhea-raeRhea Rae

Easily extendable data logging platform with STM32F103RBTx, WiFi, microSD storage, LCD with four buttons, UART, and pulse counters.
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Hardware Data Logger

robert-gawronRobert Gawron

A useful tiny gadget!
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Tiny mdt

sergio-ghirardelliSergio Ghirardelli

Going up?

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