It Broke Again! - Fixing The 500W Adjustable Lab Power Supply From 1979

MORE Scientific Testing of Generic eBay Diaphragm Pump - 3.5 GPM, 45 PSI Model

Scientific Testing of Generic eBay Diaphragm Pump - 5 GPM, 70 PSI Model

Teardown and Repair of a 500W Adjustable Lab Power Supply From 1979

Original Prusa i3 Mk3S Build Timelapse

LiTeRo - The Little Telepresense Rover

LiTeRo - The Little Telepresense Rover - BUILD

DIY Electric Bike Conversion - Extreme Stress Test at The Beach!

Hi-start Towing an RC Glider With No Bungee or Help

5 Minute SLA to LiPo Battery conversion for DIY Electric Bicycle

Electromechanical Digital Relay Clock - A Relay Computer That Calculates the Time

Tiny things on a 3D printer - Tests of a 3D printed macro lens adapter

DIY Electric Bike Conversion

RepRapPro Huxley printing an inverted tornado

Revision III tricopter crash

Revision III tricopter test flight and first crash

First full-battery MultiWii tricopter test flight

Huxley plotting again

Oscillofun on a Tektronix 475

RepRapPro Huxley plotting the Hack a Day logo

Hack a Day Trinket Contest Entry

Bobble head fox from 3D scan

Bench-top carbon-arc lamp 240w

Quadcopter test flight on the golf course

Ten minutes of MOT arcing zen

Metal forming with high voltage

555 MOSFET driver on a 120VAC-12VAC light fixture transformer

Flyback rebuild - Quick Jacob's Ladder test

Incandescent wall clock - #adafruit6secs

The short life of a triple-five driven flyback