I designed a compact, standalone Li-ion battery charger that is simple to build, extremely affordable, and easy to integrate directly into projects.

Lim Guan Eng says Penang should find out how it lost out despite the advantage it has as a regional tech hub. Penang chief minister Chow Kon Yeow has been urged to explain how the state has lost a ...

This is a compact three transistor, regenerative receiver with fixed feedback. It is similar in principle to the ZN414 radio IC which is now no longer available. The design is simple and sensitivity ...

The project utilizes LM2576 circuits to perform the same function as the commonly known voltage regulator LM7805 to produce a DC-DC regulator/converter that will provide stable regulated output ...

Reverse polarity is one of the most common causes of circuit failure, from hobby projects to industrial systems. The good news is that a well-designed reverse polarity protection using MOSFET ...