.. note::
Hello, welcome to the SunFounder Raspberry Pi & Arduino & ESP32 Enthusiasts Community on Facebook! Dive deeper into Raspberry Pi, Arduino, and ESP32 with fellow enthusiasts.
**Why Join?**
- **Expert Support**: Solve post-sale issues and technical challenges with help from our community and team.
- **Learn & Share**: Exchange tips and tutorials to enhance your skills.
- **Exclusive Previews**: Get early access to new product announcements and sneak peeks.
- **Special Discounts**: Enjoy exclusive discounts on our newest products.
- **Festive Promotions and Giveaways**: Take part in giveaways and holiday promotions.
👉 Ready to explore and create with us? Click [|link_sf_facebook|] and join today!
Video 17: Interrupts and LDR
==============================
Explore the functionalities of Arduino interrupts and Light-Dependent Resistors (LDRs) to build smart day/night detection projects.
* **Arduino Interrupts Explained**: Delve into the mechanics of Arduino interrupts for more efficient coding.
* **Effective Use of Interrupt Pins**: Learn which Arduino pins support interrupts and how to use them.
* **Practical Interrupt Setup**: Demonstrates setting up a push button and buzzer to work with Arduino interrupts.
* **Introduction to LDRs**: Discover how LDRs change resistance based on light and their applications.
* **LDR Measurement Techniques**: Learn how to measure LDR resistance in various lighting conditions using a multimeter.
* **Day/Night Detection Projects**: Implement LDR-based projects for automatic switching of devices like buzzers or lights based on light intensity.
**Video**
.. raw:: html