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Pulse Width Modulation or PWM is a technique used to vary the width of the pulses in a periodic waveform while keeping the frequency constant. This modulation method is widely used in various applications such as controlling the speed of motors, regulating the brightness of LEDs, generating analog voltage levels, and more. In this tutorial, we will explore Pulse Width Modulation (PWM), and how to use it to control the brightness of an LED. playwithcircuit.com/how-to-use-pulse-width-modulation-on-...
The TTP223B capacitive touch sensor detects touch or proximity. It operates by measuring changes in capacitance when a conductive object, like a finger, approaches its surface. This sensor is commonly used in various electronic projects and can be interfaced with microcontrollers like Arduino to create touch-sensitive interfaces or control systems. In this tutorial, you will learn how to interface the TTP223B capacitive touch sensor switch with an Arduino Uno board. This guide includes all the necessary components, pin description, wiring connections, and Arduino code.
playwithcircuit.com/how-to-interface-ttp223b-touch-sensor...
L293D shield simplifies the control of DC motors, servo motors, and stepper motors through Arduino. It can drive up to 4 DC motors, two stepper motors and two 5V servo motors. In this tutorial, you will learn about how to use an L293D motor driver shield with Arduino to control the speed and direction of rotation of these motors. playwithcircuit.com/l293d-motor-driver-shield-arduino-tut...