Simple Frequency Divider using one transistor BC549
If you looking for simple frequency divider circuit. This may be suitable for you. It will divide a frequency of input signal into just half to output. Read more
Oscillator circuits & RF
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
Op-amp LED flasher circuit – Oscillator circuit
This Op-amp LED flasher circuit , that interesting. By it will wink to alternate between LED the red and LED the green. This circuit can work with IC LM324, […] Read more
1458/4558 Dual OP-AMP Circuits Diagram Datasheet
This is a sample pulse generator using op amp. We often use 555 timer to build a simple pulse generator. The op amp is also easy in oscillator form. More! Read more
4 ideas of tone generator circuit using FET, SCR, transistors
This is simple Warble tone generator circuit , use scr as main of oscillator and signal will be boost, then feedback to SCR again. Output is 32 ohms speaker [….] Read more