gift guides

Desulfator kit

Desulfator kit

Mikey writes – I recently ordered a $37 battery desulfator kit. It looks like a pretty simple device that sends pulses to lead acid batteries to help clean the battery plates. There are many success stories on the net about resuscitating essentially “dead” lead acid batteries. Since we have two electric vehicles and live off […]

Open Heart brooch

Today I combined Jimmie Rogers’ Open Heart kit with a LilyPad Arduino board to make a light-up, animating LED heart brooch. I used conductive thread to attach the two together like a sandwich, and put a safety pin on the power supply. I dangled the brooch from the power supply with embroidery floss and the […]