Posted inSound Generator
Morning sun alarm circuit using IC-4011
This is Morning sun alarm circuit using IC-4011 that hobby It will have sound alarm when morning like a normal clock alarm with lighting sensor same clock.
Posted inMeters & Detectors Sound Generator
Simple Light Detector Alarm with solar sensor
This is Simple Solar light alarm circuit with the special edition, that improve this circuit whole new to higher efficiency. use solar cell instead of LDR
Posted inSound Generator
Insects and mice repellent circuit using IC556
Use high frequency out of the piezo speaker and IC-556 is base as oscillator between 22kHz and 56kHz
This projects is safer and more convenient.
Posted inSound Generator
Simple electronic drum circuit using MC14046
Simple electronic drum circuit project is an Instrument of this era really, various sound effects and many others, using digital IC and more
Posted inSound Generator
High power siren circuit using CD40106 and TIP31, small and easy
This is High power siren circuit with small PCB size, using CD40106 and four transistor TIP31-TIP32 increase current to horn speaker 20W, 4-8ohm. , and