World's First Energy-Saving Microcontroller Powered Generator
[E]
Build a Kinetic Energy Generator for Cell Phones
[E]
Active Load Distribution for Increased Efficiency in Piezoelectric Converters
[E]
Build a NiCd/NiMH Battery Charger
[E][E]
Unregulated Power Supply
[C][E]
Transformerless Power Supply
[C]
Regulated Power Supply
[C][C][E][E][E]
See also Power Supply Circuits