A very good electronics tinkerer / hobbyist.
DIY 3S Lithium Ion Battery Pack
5.6K Views, 35 Favorites
DIY LiFePO₄ Battery Pack - 4S 3P - 12.8V 18Ah
173 Views, 5 Favorites
DIY Lithium Polymer Battery Protector
257 Views, 7 Favorites
A Year's Work in a Month!
653 Views, 6 Favorites
Workbench Instrument Cluster ( a Dream Come True Project)
1.5K Views, 8 Favorites
Hunting for Fake Lithium Ion Batteries
317 Views, 3 Favorites
Make Yourself a Portable Power Station for Outdoor Camping (5Ah)
35K Views, 193 Favorites
Ultrasonic Water Level Indicator
542 Views, 11 Favorites
