In this tutorial, you will learn how to upload a bootloader in a newly purchased ATmega328P IC, and upload code in ATmega328P, ATtiny85, and ATmega8 using Arduino UNO…
Undoubtedly, frequency is one of the fundamental parameters for any electronic equipment. Frequency specifies the rate of oscillatory movements and vibrations. In electrical and electronics, frequency measures the…
PWM motor speed control using Arduino. PWM or pulse width modulation is a very common method used for controlling the power across devices like motor, light etc. In…
In this article we explain how to do PWM (Pulse Width Modulation) control using arduino. If you are new to electronics, we have a detailed article explaining pulse…
This article is a compilation of the simple and popular audio circuits we have published over years in CircuitsToday. This list involves a collection of simple amplifier circuits…
ICL 8038 waveform generator. ICL8038 is a monolithic waveform generator IC that can produce sine, square and triangular waveforms with very little distortion. The frequency can be programmed…
Class D amplifier. Class D amplifier is a type of amplifier where the power devices (MOSFET or transistor) are operated as switches. There will be only two states…
LA3161 Stereo Preamplifier. LA3161 is an integrated 2 channel pre-amplifier intended for car stereo applications. The LA3161 has a built in voltage regulator which plays a great role…
Digital volume control circuit. MAX5486. A two channel digital volume control circuit based on IC MAX5486 is shown here. MAX5486 is a 40K dual digital volume / balance…
100W MOSFET power amplifier. A 100W MOSFET power amplifier circuit based on IRFP240 and IRFP9240 MOSFETs is shown here. The amplifier operates from a +45/-45 V DC dual…
LM3900 multi-channel audio mixer. A simple multi-channel audio mixer circuit using LM3900 quad amplifier is given below. The circuit consists of 4 channel quad amplifier (LM3900). Two mic…
In this article, the working and basics of multi-channel surround sound system is explained along with images. The different types of sound systems available and other common sound…
Tone control circuit. This is just another circuit designed by Mr. Seetharaman Subramanian and time it is a high quality passive tone control circuit that has an overall…
This article is a list of various types of amplifier circuits built using Transistors alone.This includes a Class AB amplifier using 4 transistors, then we have a headphone…
Intercom circuit with ringer Description. A simple intercom circuit designed based on transistors is shown here. This intercom circuit does not require a changeover switch and you can…
TDA2613 Hi Fi audio amplifier Description. A 6 watt audio amplifier circuit using TDA2613 is shown here. TDA2613 is an integrated Hi-Fi audio amplifier IC from Philips Semiconductors.…
Car Audio Amplifier Circuit: Given below is a car stereo amplifier circuit using audio amplifier IC – TDA2040 Description of the circuit: A car stereo amplifier circuit using…
30 Watts Audio amplifier Circuit Description. A 30 watt audio amplifier circuit using TDA2040 is shown here. TDA2040 is a Class AB monolithic integrated audio amplifier available in…
10 Watts MOSFET Amplifier Description. The diagram shown here is of a 10W MOSFET amplifier circuit that requires only a single supply. Single rail supply is seldom used…
Car Audio Amplifier Circuit Description. A simple low power car stereo amplifier circuit based on TDA 2003 is shown here. The circuit uses cheap, readily available components and…
A simple and easy to build 50 watt MOSFET audio amplifier circuit is shown below. The circuit uses easily available components and provides excellent sound quality . …
Car Stereo Amplifier Circuit Given below is the circuit of a car stereo amplifier that can be used in cars or other vehicles. We have used TDA1553, which…
Active Crossover Circuit Given below is an Active crossover circuit suitable for HiFi audio systems using LM833, the dual operational amplifier. Description: Crossover circuits are of two types,…
Bridge Amplifier The circuit given below is a bridge audio amplifier circuit using IC TDA4935. Description : TDA4935 is 2x15W high quality audio amplifier IC from Siemens. The…
Description. LM4880 is HiFi dual audio amplifier IC from National Semiconductors. This IC is specifically designed to produce high quality audio output with a minimum number of external…
