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Seamlessly bridge 5V Arduino logic to 3.3V I2C sensors using the PCA9306 level translator — no code hacks needed, just smart hardware design
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Bidirectional I2C with PCA9306 & Arduino Uno

electroscope-archiveElectroScope Archive

This machine fabricates incredibly sharp tips for use in scanning tunneling microscopy and more!
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Tungsten Tip Etcher for Atomically Sharp Needles

baird-bankovicBaird Bankovic

Reception, preparation, and use of an XH7115C (VMC210C) CNC machine.
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Import CNC machine

austin-macdonaldAustin MacDonald

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

A real-time Indian rupee note recognition system with ESP32-CAM and Edge Impulse—no cloud needed, perfect for Edge AI makers and assistive.
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ESP32-CAM TinyML Currency Classifier

electroscope-archiveElectroScope Archive

Adapter board to use 16 pin I2C backpack on 0802 LCD
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0802 LCD I2C Adapter

alastair-youngAlastair Young

This is a shield for the Arduino MKR to provide multiple I2C ports for the new form factor. Supports Grove, 0.1" top, bottom and sideways.
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Polymorphic I2C Shield for Arduino MKR

alastair-youngAlastair Young

A retro-microcomputer in a micro-package. Learn from the ground up, just like the pioneers. Has monitor editor assembler BASIC FORTH LISP...
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1802 MemberChip Card

lee-hartLee Hart

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

roberto-innocentiRoberto Innocenti

Popular Soviet germanium amplifier circuit of the AB 2-3W class from the 1970s
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Simple classic Soviet amp from the 70's

osman-mazinovOsman Mazinov

A project to repair a Philips PM3310 digital storage oscilloscope with a faulty X amplifier chip - oq0017.
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oq0017 repairing obsolescence

macafeejemacafeeje

Protect is a series of high-quality DC Power Protection Modules designed for makers using the best eFuses and automotive power path ICs.
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PROTECT Series: DC Power Management Modules

pn-labsPN Labs

Weatherstation with sensors, historic data storage in DB and display
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Weatherstation

michil783Michil783

Rechargeable Harinezumi Case
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Harinezumi Revival

quackieduckieQuackieduckie

The World's First Open USB-PD Development Platform
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HummingKit

sdcforallSDCforAll

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 Rev. 2

michael-wesselMichael Wessel

Going up?

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