.. 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! For Arduino User ====================== This chapter includes installing Arduino IDE, uploading code to Raspberry Pi with Arduino IDE and a dozen interesting and practical projects to help you learn Arduino code quickly. We recommend that you read the chapters in order. **1. Get Started** .. toctree:: :maxdepth: 1 arduino_start/install_arduino_ide arduino_start/introduce_ide arduino_start/install_pico arduino_start/add_libraries_ar **2. Output & input** .. toctree:: :maxdepth: 1 ar_led ar_led_bar ar_fade ar_rgb ar_button ar_tilt ar_slide ar_micro ar_reed ar_pir ar_pot ar_photoresistor ar_temp ar_water ar_transistor ar_relay **3. Sound & Display & Movement** .. toctree:: :maxdepth: 1 ar_ac_buz ar_pa_buz ar_neopixel ar_lcd ar_motor ar_pump ar_servo **4. Controller** .. toctree:: :maxdepth: 1 ar_joystick ar_keypad ar_mpr121 **5. Microchip** .. toctree:: :maxdepth: 1 ar_74hc595_led ar_74hc595_7seg ar_74hc595_4dig ar_74hc595_matrix **6. Advanced** .. toctree:: :maxdepth: 1 ar_ultrasonic ar_dht11 ar_mpu6050 ar_irremote ar_rfid