5 Sound effect generator circuit with PCB

Simple sound effect generator circuit using IC-555 and IC-4017

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. Using basic parts and cheap makes you easy to build or try it. There are five circuits. You may make the animal sound by electronics … Read more

Cheap frequency meter circuit using 555 and CA3140

Simple Frequency meter circuit using CA3140 555

The electronics are still used to use a frequency generator circuit beuause It is important. And are used a lot in electronic circuits, both sine, square wave and more. In every time related to the frequency. What that we want to know is how much frequency.For laboratory common standards. We have many tools available to … Read more