TinyUPS - Uninterruptible Power Supply based on ATtiny13A
tp4056 charge module - Search - EasyEDA
Alex Lynd on Twitter: "I designed the #pcb for my ProbeHunter project today! I also added GPS and an SD card in case i want to try #wardriving with it. @EasyEDA https://t.co/COzQlDpbL6" /
Feedback on USB-C for Powering + LiPo Charging - General Electronics - Arduino Forum
DIY Solar Emergency Lamp | Diy solar, Diy solar panel, Solar
GitHub - wagiminator/ATtiny85-TinyCharger: Single-Cell Li-Ion Battery Charger with Monitoring
7.4V Two Step Lithium Battery Charger Circuit - CC and CV mode