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
Oscillator circuits
Basic pulse generator using op amp IC-4558
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
Triangle wave generator circuit with cmos inverter IC
It is easy use a few parts, you can make it now! 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
Voltage to Frequency Converter Circuit
See idea: Voltage to frequency converter circuit use CA3130 OP-Amp, that linearity Of changing up to 0.5% and Temperature coefficient. Read more