Recent Projects

Add a lfp battery balancer to a ryobi lead acid battery upgrade

Ryobi 480e mower LFP battery upgrade with balance

To Fuzz or Not to Fuzz

Guitar Pedals

Build a smart Battery Health Monitor to track State of Charge (SoC) and State of Health (SoH) with an LED bar.

DIY Lithium Battery Health Monitor SoC SoH

diy-guy-chris DIY GUY Chris

Turning an old diavox phone into a cellphone. No smart stuff, just a telephone. Pick up the handset and dial just like the old days.

DIAVOX Cellphone

anders-helgesson Anders Helgesson

A drone instrument built from an old cassette player.

Tape Organ

decurus decurus

A portable Linux terminal experience

P800

A spherical chessboard where a robotic arm plays moves from an online game.

Mat@ir - A Robotic Spherical Chessboard

Working on porting code for my PIC16LF1823-based ornament to a new design using an 8051-based EFM8SB1 "Sleepy Bee" MCU

Battery-powered Ornament with EFM8SB1 &quot;Sleepy Bee&quot;

zachary-murtishi Zachary Murtishi

Scans a magnetic fields in two dimensions

2D-Scanner for Magnetic Fields

Handheld gaming system in the DS form factor using the RasPi Compute Module 5

DSpi

william-oprey William Oprey

A Tetwice-layout keyboard designed to be abysmal.

Tetizmol [gd0153]

kelvina kelvinA

It's not particularly cheap, but it'll probably run for weeks between sunny days

Meshtastic run-forever solar node

jon-davis Jon Davis

An autonomous robot equipped at a turret to shoot balls at AprilTags.

Codename FF

prabhvir-singh-babra Prabhvir Singh Babra

What happens when a wonderful and useful Puzzle a Day stops being fun.

A Lazy Mans Pentomino Calendar Puzzle

michael-gardi Michael Gardi

NEDsat v2.0: ultra-low-power solar satellite with battery, temperature and current monitoring, RF and Bluetooth data transmission.

NEDsat - terrestrial satellite

Fixing my Bosch Classixx 7

Tumble dryer repair