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Active stereo line converter RCA (-10 dBV) to professional balanced XLR (+4 dBu) with ±15V split rails, AES48 compliance, +48V protection.
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Pro-Grade RCA to Balanced XLR Active Audio Line Co

yannick-turcotteYannick Turcotte

Restoring an AT&T 3B2/300 and giving it another chance at life in the modern world.
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Resurrecting a 1980s AT&T UNIX System

ashtonAshton

One embedded OS, many boards, any module. System services, a web console and an SDK for Wi-Fi microcontrollers.
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LoopMaxPro

seventyfiveSeventyFive

An Intel 8085 assembly program displaying KE6JMG in large ASCII characters using a font table and SDK-85 emulator.
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Intel 8085 – KE6JMG ASCII Banner Display

harold-mooreHarold Moore

Building bio inspired realistic looking humanoid robots to do chores and sports and stuff.
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My Advanced Realistic Humanoid Robots Project

larryLarry

TOSLINK to USB-C audio capture at 96 kHz / 24-bit. Bit-perfect, class-compliant USB Audio with no driver. Assembled in an aluminum case.
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Hi-Res S/PDIF USB Capture, 96 kHz / 24-bit

elehobicaElehobica

FM synthesizer and drum machine with full sound editing, modified from a Yamaha 1980’s home keyboard with fixed sound presets.
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DRX70 – FM synthesizer module

jkn0JKN0

The speech synthesizer you always wanted for your Apple II, but couldn't afford back in the day - now you can!
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Perfect Paul ][ - DECtalk for the Apple ][

michael-wesselMichael Wessel

Open-source USB-C wall display for PM2.5 air quality, built on Seeeduino XIAO SAMD21, with color LEDs, auto brightness, 0.1 µg/m³ steps.
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USB-C wall display for PM2.5 air quality

aleksei-tertychnyiAleksei Tertychnyi

Solar powered LoraWAN node for continuous air quality monitoring based on Wio-E5 and SEN54 Sensirion sensor
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pollutagNode2 - Air Quality Monitor - LoRaWAN

aleksei-tertychnyiAleksei Tertychnyi

Follow for the 'Hacklet' and latest news about hackaday.io
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Hackaday.io Project

lutetiumLutetium

An ESP32-powered desk gadget with six round displays, with one touch its start spinning.
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YUMO Roulette — A "Floating" Spinning Desk Gadget

yumobuildsYUMO.BUILDS

Two board 6809 (or 63C09) computer that fits in to an Altoids Mint tin.
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6809/63C09 Membership Card

kevinKevin

The evolution of my previous GS-65, coming with faster RAM and more expansion options
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GS-X65 | 65C02 10MHz PC

gabrieleGabriele

XTT is an offline-first, open-hardware archery training system that measures bow movement and provides real-time feedback.
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XTT - Open Hardware Archery Training System

jan-le-rouxJan le Roux

Where I apply lessons learned to make a monitor for a 1970s era personal computer.
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A Better Small CRT Like Monitor For Retro Projects

michael-gardiMichael Gardi

Going up?

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