Recent Projects

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rhea-rae Rhea Rae

A DIY, terminal-first cellular communication device designed as a personal network terminal rather than a modern smartphone.

TERMINUS: A Terminal-Style Phone For The Geek

bolan-xu Bolan Xu

Using the base-emitter junction of an NPN BJT transistor instead of an NTC thermistor.

A transistor instead of a thermosensor? Sure!

aleksei-tertychnyi Aleksei Tertychnyi

Can I do better? Perhaps not, but we shall see.

Google Home Max Killer

john-lonergan John Lonergan

Miniature Remote

Portable groove box that can be thrown in backpack, set up quickly and produce music on the fly.

Sample.Loop.Repeat

After a simple calibration, the laser beam points extremely close to the desired target, making it possible to find many deep-sky objects

DIY Green Laser Night Sky Object Finder

mircemk mircemk

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

Hackaday.io Project

While there are several open source versions of various AI applications out there, there is still very little out there for doing training.

Let's Build a Modern LLM - Entirely from Scratch

Building a mechanical television with parts only from the 1920s. Focusing on simplicity.

Mechanical Television - 1920s parts

paul-kocyla Paul Kocyla

X/Y Plotter for high wattage UV LEDs to expose Cyanotype and other printing methods.

Analog Pixel Art: DIY Cyanotype Printer

"The display becomes a terminal. The computing happens elsewhere."

Hardware-Accelerated Display Streaming Decoder

A compact digitally controlled RF 1.8 to 28 MHz platform for HF amateur. DSP mod/demod and integrated FT8 QSO management.

ESP32 HF QRP FT8 Transceiver

guido-iw5alz Guido - IW5ALZ

Operating system from scratch for STM32F7 (ARM Cortex-M7)

Bare-Metal Operating System for STM32F7

This is an Interactive GTA-Style Map that turns walking into a game-like experience.

StrideCity: Interactive GTA Map

vishal-soni vishal soni

Building a modern interpretation of a polyphonic modular analog synthesizer at the transistor level, inspired by early 1970s-80s designs.

Polyphonic Analog Synthesiser

charlie-theobald Charlie Theobald