This article talk about Class A amplifier. It is good for small speaker or headphone. Amplifier make sound more loud. This Class A Amplifier Circuit uses near 20 milliamp power so it good for low power thing. We show in this post how to make it using Q1 and Q2 transistor and this transistor work […]
Bass Treble Tone Control Circuit using a Single Transistor
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 […]
Simple Beeper Circuit
This Simple Beeper Circuit show us how to make a easy beeper circuit. When we press push button a sound comes from unbalanced multivibrator circuit. Small speaker makes the sound. This project is good to learn music and electronics and is also fun project for beginners. What is a Beeper Circuit: The beeper circuit is […]
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 […]