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A little something to check your digital multimeter accuracy occasionally.
Project Owner Contributor

Precision Voltage and Current Reference

bud-bennettBud Bennett

custom(izable) circuit for sending some megabytes over differential pairs.
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miniMAC - Not an Ethernet Transceiver

yann-guidon-ygdesYann Guidon / YGDES

A DIY quantum device built for ~$100 using NMR principles, custom PCBs, and a Raspberry Pi Pico — capable of detecting spin echoes
Project Owner Contributor

DIY budget quantum computer

skywo1fskywo1f

Built the tricorder I actually wanted in the field: one that warns, not just measures.
Project Owner Contributor

ATLAS

apollo-timbersApollo Timbers

Growing radishes indoors with an ESP32: monitor soil, temp, and light; automate watering; capture time-lapses; integrate with Home Assistant
Project Owner Contributor

Esp32 powered indoor garden

erikErik

This is a WIP for Capacitor Memory for my Relay Computer Project
Project Owner Contributor

Capacitor Memory

dipdot-brianDiPDoT (Brian)

Achieve long exposure times at high frame rates using a cheap synchronized dual camera setup in time interleaved mode.
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highrate_longexp

lars-friedrichLars Friedrich

A needed update to an older project.
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A Slim 10x 100MHz-10MHz-1MHz Differential Probe

bud-bennettBud Bennett

A solar-powered, Raspberry Pi-like Board idea that runs on 5mW
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The FemtoTX Motherboard Standard

giovanniGiovanni

I design my own digital caliper based on STM32F103 blue pill (and more).
Project Owner Contributor

DIY Digital Caliper - CALIPATRON

dimitarDimitar

Z80 homebrew development board
Project Owner Contributor

BeanZee

stephen-willcockStephen Willcock

Pi Zero 2w mini DLNA Server for use on home wifi or on a phone hotspot
Project Owner Contributor

Pi Zero 2w Mini DLNA Server

diddydiddy

Integrate any UART-based pollution sensor with polluSensWeb. Via simple JSON conf. —no coding, no special SW! Browser, USB-UART + sensor!
Project Owner Contributor

Your Air Pollution Sensor in Browser

aleksei-tertychnyiAleksei Tertychnyi

ANTIRTOS is an ultra-lightweight, universal C++ library designed for task management in IoT and embedded applications.
Project Owner Contributor

ANTIRTOS: no any RTOS needed, you will see

aleksei-tertychnyiAleksei Tertychnyi

Add IR power switch to a mini PC to turn on it with TV remote.
Project Owner Contributor

IR power switch for NucBox G5

teruteru

Compact Raspberry Pi HAT with LoRa 433 MHz, temp & humidity sensor, RGB LED & 220 VAC relay for remote IoT monitoring control
Project Owner Contributor

Raspberry Pi Multifunctional Lora HAT

avi-guptaAvi Gupta

Going up?

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