ESP32 Reading a Photosensitive Resistor (LDR) - Lesson 5
Table of Contents In this lesson you will learn how to use a photosensitive resistor module (LDR module) with your ESP32. You will read analog values to measure light levels...
ESP32 Beginner Tutorials
Learn ESP32 from the ground up with hands on lessons, guides, and projects designed to take you from beginner to confident builder. The ESP32 is a powerful microcontroller with built in WiFi and Bluetooth, making it ideal for IoT, automation, robotics, and modern electronics projects.
These lesson based guides focus on core ESP32 concepts and practical, real world examples to help you understand how things work, not just copy code. Most tutorials are compatible with common ESP32 development boards, with notes where pin assignments may differ between models.
You can also explore our guides for Arduino, ESP32 and Raspberry Pi based tutorials, browse Projects for mixed ESP32, Arduino, and Raspberry Pi builds, or view the ESP32 collection to find compatible hardware used in these lessons.