I have come to the point where I feel my power sources are the weak link on my boards. I figure it is about time for an upgrade, I currently run 7s2p limited to 20amp which is more timid than the 10s lipo I ran earlierbut lipo chem makes me nervous me in my inner city apt. so why not build my own 10-12 s pack??
Well cells are getting cheap, but typical spot welders are running near the cost of a pack to build, plus i want to understand how these work and control some variables which are not as precise with Sunkko welders - the most used alternative.
Reading about welders on and off I found two viable options 1- Whitepony has a home brewed version with a 2Farad Super Capasitor, copper bar switch, and car battery charger. 2. On instructables I found a Ardruino based Mofet driven pcb that is solder up and play using a car battery for power.
I’m gonna build/ write up both and compare…you know, for science.
DIY is a lifestyle I’m finding - so much cooler to learn and understand how this and other tech work.
Anyway here is the start…