Stereo Audio Pre-Amplifier Circuit with Bass and Treble Control using Transistors
Often times, we need to control bass, treble, and volume of our audio signal before passing it through amplification stages to...
potentiometer
Calibration of Ammeter, Voltmeter, and Wattmeter using Potentiometer
We know that voltage, current, and power are measured in volts, amps and, watts and voltmeter, ammeter, and wattmeter are used...
Controlling NEMA 17 Stepper Motor with Arduino and A4988 Stepper Driver Module
A stepper motor is a type of DC motor that works in discrete steps and used everywhere from a surveillance camera to...
Programming ATtiny13 with Arduino Uno to control a Servo Motor
Servo motor works on the principal of Pulse Width Modulation (PWM) and its angle of rotation is controlled by the duration of...
How to Use BH1750 Ambient Light Sensor with Arduino
When you take your phone in sunshine or in high lighting, then it automatically adjusts the brightness according to the...
How to use I2C in Arduino: Communication between two Arduino Boards
In our previous tutorial learned about SPI communication in Arduino. Today we will learn about another Serial Communication...
Pulse width Modulation (PWM) in STM32F103C8: Controlling Speed of DC Fan
In previous article we have seen about ADC conversion using STM32. In this tutorial, we will learn about PWM (Pulse Width...
I2C communication with MSP430 Launchpad
MSP430 is a powerful platform provided by Texas Instruments for embedded projects, its versatile nature has made it to find...
Pulse width Modulation (PWM) using MSP430G2: Controlling Brightness of LED
This tutorial is a part of series of MSP430G2 LaunchPad tutorials in which we are learning to use the MSP430G2 LaunchPad from...
Arduino DC Motor Speed and Direction Control using Relays and MOSFET
In this project we control direction and speed of a 24v high current motor using Arduino and two relays. No power switches are...
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