Electronics is important as we grown scientifically in the 21st Century, and knowing the basics about it is just as learning our alphabets (ABC). We
How to use a Potentiometer – Variable Resistance for Kids
Introduction Potentiometers or variable resistors have been a part of our life for a long time. The Fan Speed Regulator, the music volume cont
How to use the PIR Motion Sensor using interrupts and timers
Every project that we invent or create is built with an intent to solve an existing issue. We take various inputs from the environment and afte
How to code a 4 Digit 7 segment display using Arduino?
The 4 digit 7 segment display in an intermediate level project. This project is mainly focused on how to connect the 4 digit 7 segment display with t
How to interface the Humidity Sensor DHT11 with the ESP32 (Web Server)
Measuring Temperature, humidity is become an important task in lives. As we monitor temperatures in various places for example a freezer or a cak
How to Control LED brightness using a Web Server with the ESP32?
Controlling the brightness of an LED is an easy task. We could do it using code or using wired input. In this tutorial, we will learn how to cont
How to use Bluetooth on the ESP32 ?
Introduction The ESP32 comes in-built WiFi, Bluetooth and BLE (Bluetooth Low Energy). We will generally use more of WiFi with ESP32 but the Bl
How to make an ESP32 Web Server?
Web Server is a computer software with underlying hardware that accepts requests from HTTP. We are going to build a web server with the ESP32 that w
How to Read Analog Signals with the ESP32?
Introduction Analog Signals are signals that change in nature with time. Unlike digital signals they have many states, and can be used to cont
Pulse Width Modulation (PWM) with the ESP32
Introduction Pulse Width Modulation or PWM is a technique that is used to create an analog like signal with the help of digital signals. The O