.. 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 7: Push Buttons and Reed Switches =========================================== This Arduino tutorial explores the fundamentals of digital reading, focusing on detecting push button presses and sensing magnetic fields with reed switches. * **Digital Reading Basics**: Understanding the concept of digital reading in Arduino, distinguishing between high and low signals. * **Push Button Detection**: Detailed instructions on connecting a push button and reading its state using Arduino. * **Reed Switch Sensing**: Demonstration of using a reed switch to detect magnetic fields, including wiring and code setup. * **Arduino IDE Setup**: Step-by-step guidance on preparing the Arduino IDE for digital reading projects. * **Using Internal Pull-Up Resistors**: Techniques for using a push button without an external resistor by leveraging Arduino's built-in pull-up resistors. * **Troubleshooting Tips**: Solutions for common issues encountered in digital reading, such as floating pins. **Video** .. raw:: html

**Related On-line Tutorials** * :ref:`ar_button` * :ref:`ar_reed`