Wire strippers

Make Lightning

Make Lightning

I have been fascinated with arcs and sparks, bangs and pops ever since I created an arc with a busted power adaptor. One day I thought about making a proper “big boys’ toy” that would be safer and more convenient.

Continue Reading
Energy Harvesting DC:DC Converter

Energy Harvesting DC:DC Converter

Energy harvesting is all the rage, so bring on your lemon batteries, thermocouples, minuscule solar cells, dirt batteries, and tree batteries. This circuit can convert them all to useful voltages. This is still a new, cutting-edge circuit. There’s only one commercial integrated circuit out there that will do the same thing: the LTC3108. But, if […]

Continue Reading