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We restore an HP 115BR divider and clock. Its atomic-driven 1 second tick famously sync'ed the world's second in 1964.
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HP 115BR, the clock that once sync'ed the world

curiousmarccuriousmarc

I bet you wouldn’t have guessed this Colorful Carousel was made entirely using PCBs
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Colorful Carousel

rambrosRamBros

Simple AA powered device uses a 555 and linear feedback shift register to create a pseudo-random twinkling tree.
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Blinky Tree Desk Trinket

christopher-kratzChristopher Kratz

Updated KISS TNC based on ESP32.
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ESP32 KISS TNC V1.1

uhpowerupuhpowerup

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

diddydiddy

An interface between Yamaha digital piano pedals and a computer
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Yamaha Pedal Unit Interface

goakleygoakley

It just sits there and pretends to be an aircraft at night.
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Abstract Aircraft Sculpture

the-baikoThe Baiko

45 year old HP Logic Probe is too slow for modern electronics, so I hacked it with a Sparkfun Alorium FPGA board and display
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HP Logic Probe Hack

robert-morrisonRobert Morrison

Open Source Hardware GNU/Linux PowerPC Notebook project
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OSHW GNU/Linux PowerPC Notebook

roberto-innocentiRoberto Innocenti

RC motors are often difficult to start... An engine spark plug heater may be needed!
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RC radial engine spark plug heater

jp-gleyzesJP Gleyzes

Raspberry Pi Pico(2)(w)-based development tools for NFC, UHF RFID, LF RFID, Sub-1G, IR, BLE, WIFI, etc.
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RP-Geeker

mcuerMCUer

A system designed to capture and collect energy from EMFs, now being refined to enhance circuit efficiency and output.
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AEFC - Ambient Energy Field Converter

rhea-raeRhea Rae

这是一款桌面小型激光切割机，可以直接连接Lasermaker 软件使用。主要针对创客教育，K12教育，高等院校，以及家庭创客使用。采用455nm蓝光半导体激光发射器，激光功率10W，最大可一次切割8mm厚的椴木板。由于采用的半导体激光发射器采用了风冷技术，免去水洗，主打便携。
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Destop small laser cut machine

wilsonzhangwilson.zhang

Building a prototype Autonomous Mobile Robot (AMR) to apply ROS 2 and SLAM concepts in a real-world environment.
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Indoor Autonomous Mobile Platform

peter-wallheadPeter Wallhead

Offline speed camera detector designed for a hassle-free driving experience, while respecting your privacy.
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Catchcam - Speed Camera Detector

ivan-vnucecIvan Vnucec

RP2040 development board I made myself
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RP2040 development board

mrqMrQ

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