Make Cricket Buzzer Generator circuit using LM324
The cricket sound effect circuit which is an another Sound effects generator byLM324 op-amp and emit by a buzzer. And they have sound similarly the cricket Read more
Oscillator circuits
UM3561 Sound effect generator circuits
Here is The 4 Sound effects generator using UM3561 and a few parts only. It can make siren, Ambulance sirens, Police car sirens, Fire truck siren and Space Read more
Sine wave oscillator low frequency-constant amplitude
SEE! Simple Sine wave oscillator low frequency. Without thermistor and Incandescent lamp so very linear in transistor and zener diode circuit. Read more
CD4011 Oscillator circuit with inverter gates
Here is the tone generator circuit,it is small size. I use IC digital CMOS 4011 quad NAND gate. Read more
555 timer Pulse Generator circuits | astable mode
This is a simple pulse generator circuit or standard astable oscillator circuit for IC 555 timer,NE555N IC. Use for digital Logic circuit. Read more