Simple Bird Sound Generator Circuit
This Simple Bird Sound Generator Circuit was one of the first circuits I built as a child. It’s made up of only a transistor and a few others. Read more
Audio Circuits
UM3561 Siren Sounds 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
Simple Speaker Turn-on Delay Circuit
Today we are going to introduce you to a Simple Speaker Turn-on delay Circuit. Imagine after you finish building your own OCL power amplifier circuit. But every time you turn it on, within the first 3 seconds, you hear a loud “tlub” sound from a speaker. Wouldn’t you feel annoyed by that sound? Apart from … Read more
Designing a 3 Transistors Amplifier Circuit in a Simple Way
Learn electronics by designing 3 transistor amplifier circuit in simple way. With driving power of 1W – 7W. Or higher amplifier convenience. Read more
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