One-transistor Voltage Converter Circuit One-transistor Voltage Converter Circuit Taking apart a solar-powered lamp revealed a single-transistor voltage converter circuit that al... Read More
Power-Back Surge Protection Power-Back Surge Protection Circuit Power-Back Surge Protector is a simple yet effective solution for protecting your valuable and sensitiv... Read More
3 Volts Car Adapter This 3 volts Car Adapter circuit is based on a standard LT1074CT switching regulator IC. The schematic shows the LT1074CT used as a positive... Read More
Battery Maintainer The author found that a long-neglect-ed gel battery in a hand-held vacuum cleaner had gone high-resistance. It took some effort to make it u... Read More
Conveyor + Robotic Arm With Arduino A few weeks ago I bought a robotic arm to write a bit about robotics topics. The circumstances in recent days led me to get involved in a pr... Read More