Low Riple Power Supply

12 years ago

This Low riple power supply circuit can be used in which a high current is needed with a low ripple…

Traveller’s Shaver Adapter

12 years ago

This simple circuit can protect your electric shavers from damagedue to wrong voltage. (more…)

Nicad Battery Zapper

12 years ago

This Nicad Battery zapper circuit clears internal shorts in nickel-cadmium batteries by burning them away. (more…)

Thermally Controlled Nicad Charger

12 years ago

One method to charge Nikel Cadmium (NiCad) batteries quickly with out abuse is generally to measure battery cell temperature and…

Constant Voltage Current Limited Charger

12 years ago

This 12v lead acid battery charger circuit based Regulator IC LM723C.  The lead acid battery charger circuit can provide 12…

Electronic crowbar for AC and DC lines

12 years ago

For positive protection of electrical or electronic equipment, use this against excessive supply voltage. Because of incorrect switching, electrical wiring,…

12V battery charger Max : 20 A rms

12 years ago

This 12V battery charger circuit can charge 12 volt batteries with maximum current 20 A rms. (more…)

Dual polarity 15V power supply

12 years ago

This simple split / dual polarity unregulated power supply circuit provides a +15 Volt and -15 Volt supply from a…

Power Supply Splitter 9V to ± 5V

12 years ago

This power supply splitter circuit can divide the voltage of ± 5V only from a 9V battery. This circuit consists…

Low Power 5V Switching Regulator

12 years ago

This simple switching regulator circuit have 5 V output, the input provide by a 9 V battery. It having 80% efficiency…