Donkey sound effect Circuit using IC-555
This is a donkey sound effect project that easy to builds because use simple components include three IC-555 and LM386 and more little parts. Although at present we use Micro controller IC because small. But some times it is hard to find, so this circuit is suitable for everyone. How …
Tremolo Effect Circuit using uA741
The tremolo effect circuit widely used, making noise in the electronic music scene. The height of the modulation signal by low frequency between 1 Hz to 10 Hz. This result will sound good, When frequency be modulated in sine. Figure 1 Tremolo Effect Circuit using uA741 The circuit as Figure …
Simple guitar fuzz effect circuit using IC-741
In play guitar or other instruments. Sometimes people just want to be a sound of unusual instruments, from some common. and this fuzz effect circuit or crack, it is the circuit that is commonly used characteristics as shown in Figure 1. How this circuit works In Figure 1 as circuit …
Mouse and Rat repellent circuit using astable multivibrator
This circuit is Mouse and Rat repellent circuit using astable multivibrator which use principle of sound waves or ultrasonic cause they annoyed so it escaped away. This is small and cheap because use transistor (no ICs) and super loud since use large piezoelectric but use low current source. Technical information …