- on Power Supplies
- Published in issue 5/2016 on page 106
Yet Another Button Cell Charger
Now feat. Clothes Peg & ATMega328P
“Yet another” stems from my dissatisfaction with commercial available button cell chargers. Most of them are Joe-Bloggs-fixed-current chargers with a fixed charging time, duh. Buy another type of rechargeable button cell, and you end up buying another charger. Let’s do something about that.