The following small circuit will create a DC output that may be nearly 2 times the supply voltage. A square wave input is necessary of adequate amount to switch T1 […]
Battery Status Indicator Circuit using two Transistors only
Often a backyard electronic system could become imperfect as a result of a perishing battery. If the battery voltage is no more than 9V for a 12V operated system, the […]
Simple Delay ON Timer Circuit using Two BC547 Tansistors
If you are looking for a delay ON timer circuit that may be really simple yet efficient, then this tiny design will help you achieve the requirement. Using only BJTs […]
Charging Two Batteries from a Single Supply Source
The following content demonstrates precisely how two batteries could be charged under managed problems by means of a single common power supply. The circuit design of the the suggested dual […]