This Bass Treble Tone Control Circuit using a Single Transistor BC547. It is an easy tone control circuit. We can turn bass up or down and treble also in audio sound. What is Bass Treble Tone Control Circuit: This Bass Treble Tone Control Circuit make treble go high by cutting sound below 500 Hz. When […]
Transistor Circuits
Tester Probe Circuit
Many people think multimeter can test any electric part. But this not always safe especially for semiconductor. This article for Tester Probe Circuit show how to make one easy and safe tester only for semiconductor. This tester is easy to build and uses small current which is good to test many type of semiconductor. What […]
Neon Tube Flasher Circuit
Neon light look very nice but it needs much electricity to work. This Neon Tube Flasher Circuit show how to make special circuit to turn ON and OFF neon light using small battery with low voltage DC. WARNING: Making high voltage circuit can be dangerous. Do this only when adult are watching. What is a […]
Simple FET Two Lamp Flasher Circuit
Simple FET Two Lamp Flasher Circuit connect same like simple astable multivibrator. They make easy circuit for two lamps flashing one after other. What is a FET Lamp Flasher Circuit: This circuit using FETs mostly used for flashing lights or bulbs. It also uses some other parts but mainly has few field effect transistors. Circuit […]
Simple Adjustable Oscillator Circuit using Two Transistors
This article for Simple Adjustable Oscillator Circuit using Two Transistors show how to make small sound circuit using only two transistors! When we turn the knob the sound goes high like beep or low like growl. We can use four AA battery or small wall power to run this circuit. Try this easy experiment to […]
Latch Circuit using Transistors
This article for Latch Circuit using Transistors talk about how to make a small electric switch. This switch stay ON even after signal goes OFF. It does not cost much and is easy to make. It uses transistor and some other parts. If someone gives small signal to turn it ON it stay ON and […]