Introduction Light Dependent Resistors (LDR) are also know as Photoresistors. LDR are popularly used in our modern day automation applications
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 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
Digital Input and Output with the ESP32
Introduction Digital Signals are the signals that exist in two states. It could be ON and OFF, HIGH and LOW, 1's and 0's, Positive and Negativ
How to upload your first Code to ESP32 ?
You need to configure your environment before you can upload your code. So if you haven't done it yet, go to the previous article. Now your en