Toy Organ circuit using transistors
Let’s play a simple toy organ circuit. My daughter has interested in piano. Believe it or not, we can create a simple piano circuit by ourselves. Read more
Sound Generators
These circuits make you hear them work for many usages. Which there are:
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. Read more
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. Read more
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 Read more
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 Read more