5 circuits of 555 Alarm sound and tone generator
This is Simple 555 Alarm sound circuit, for beginner as buzzer sound. IC1 is pulse generator, to transistor PNP for boost current to speakers. Read more
2 Headlight Warning buzzer reminder circuit
Often drivers forgot to turn off lights when parking. They cannot start the machine, ran out battery. This Headlight Warning buzzer circuit can help. Read more
How to make 1.5V to 220V inverter circuit
use Mini high voltage generator at my friend wants. Because of using the transistor 2 pcs only just,build small-sized easy good. By this circuit gives pulse Generator 220V from 9V batteries and Give pulse voltage tall arrive at 170V from the 1 dry piece cell(Batt 1.5V) We should do circuit this experiment with neon lamp … Read more
3 High Volts power supply circuits ideas
This is Efficient flyback driver circuit, using IC-555 and Mosfet-IRF510. This circuit uses a 555 timer IC to pulse a 2N2222 with square wave at a frequency that is set by the capacitor and the potentiometers. Read more
