Here is an ideal Power Supply Unit for trouble shooting the circuit boards. It gives Five and Nine volt regulated DC from a Rechargeable battery. It is portable and handy and can also functions as a ...

Here is a Dual power source for the Home Security system which has to be switched on continuously. It is a power saving circuit that uses a Solar panel for providing power during day time and a ...

In a typical ac-dc power supply, diode bridges do not control inrush current due to the output capacitor sudden charge at line plug-in. A high inrush current can cause several issues for the system ...