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Seven Segment Counter Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Seven Segment Counter Circuit is one simple circuit. It count numbers and show on seven segment display. When we press button number goes up by one. It is very easy to make and good for learning how counting works in electronics. What is a Seven Segment Counter Circuit: Seven segment counter circuit is small electric […]

Filed Under: Meters and Testers

Simple Room Ionizer Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

In this Simple Room Ionizer Circuit, one machine can help clean air in room and it is called a room ionizer. It make small electric things called ions. These ions catch smoke, dust and bad things in air. Ionizer use special electric way to make these ions. Like when we press one side of balloon […]

Filed Under: Security and Protection

Simple Passive Crossover Network Circuit for Loudspeakers

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Audio Circuits

Simple DC Over Voltage Protector Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Security and Protection

Amplifier Circuit using IC TDA2030

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Amplifier Circuits

Simple Surround Sound Speaker Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Amplifier Circuits, Audio Circuits

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