Think like music conductor who tell each instrument when to play. In speaker system a Simple Passive Crossover Network Circuit for Loudspeakers do same thing but with sound. Normal speaker are not made for just one piece but it have many parts each for different sound. Woofer make big boom sound, tweeter make small squeaky […]
Simple DC Over Voltage Protector Circuit
Main purpose of Simple DC Over Voltage Protector Circuit is to save electronic parts or circuits from damage when voltage from DC power source become too high. In many uses, case where stable and fixed voltage is needed this type of circuit are very useful. Circuit Working: Parts List: Category Component Quantity Preset 2.5k 1 […]
Amplifier Circuit using IC TDA2030
This article for Amplifier Circuit using IC TDA2030 talks about how to make 12 watt amplifier by using an IC. TDA2030 is very common IC for audio amplifier. This is one chip for audio power amplifier which is good for low frequency class AB use. Circuit Working: Parts List: Category Component Quantity Resistors 22k 1/4 […]
Simple Surround Sound Speaker Circuit
No need to buy costly new speakers. This Simple Surround Sound Speaker Circuit in this article show how to make surround sound better. It uses something call Hafler circuit made by man name David Hafler. Just turn one knob and place speakers right and then sound from front and back speakers get louder. What is […]
Heads or Tails Decision Maker Circuit
This easy Heads or Tails Decision Maker Circuit show how to make fun coin flipper using electric. Like when we flip real coin but here we press a button and small chip inside do fast thinking and then say “heads” or “tails” very quickly It uses logic parts and small electric pieces to give random […]
Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055
This Adjustable Voltage, Current Power Supply Circuit using Transistor 2N3055 talks about how to make simple and useful power circuit. This circuit can change voltage and current so it work for many electronic projects. It uses one popular transistor called 2N3055 and some other parts. WARNING: Be careful, High voltage can be very dangerous. Do […]





