20 LED Rear Bike Light Flasher circuit using 555
When we use the bicycle(normal bike) at night. we used IC1 IC555 Oscillator signal is output to a lot LED super bright.
LED Dancing light circuit with Music
This is a circuit that features a running pace with a changing voice, the tiny microphone. For a frivolous fun.
Stereo Balance Indicator Circuit
This is Stereo Balance Indicator Circuit. You have a stereo system. But the level of both channels right and left are not the same. Yes, you can adjust with the…
Simple LED music light circuit
In this post, I am going to show you a simple LED music light circuit. It is interesting because of similar to a VU meter circuit. Music can change the…
BA5406 amplifier Stereo 3W
This is a small Stereo amplifier 3W + 3W using BA5406-IC. It use 12V power supply as source of this project. and use a few part so easy to build.
Transistor stereo bass booster
This is a bass booster circuit that use transistors as base. It is designed to increase a low frequency of audio on cheaper than ICs or normally circuit.
100w amplifier circuit with PCB
This 100W amplifier circuit by transistors, but very well OCL amplifier schematic.Use transistor MJ15003,MJ15004 as main. Power supply +38V 0 -38V 3A. [...]