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.
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April 8, 2017
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.
April 4, 2017
Simple Music Keyboard circuit using multivibrator transistors
This is simple music keyboard circuit. The origin frequency sound circuit model astable multi vibrator. if press switch S1 the circuit will begin the work. [...]
March 13, 2017
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 [....]
January 2, 2017
5 Sound effect generator circuit with PCB
If we want to be a producer, This circuit would be a good starting point to composed music for 1000 tracks. With these Sound effect generator circuits may help you.…
July 26, 2014