.. 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! Learn about the Components in Your Kit ================================================ After opening the package, please check whether the quantity of components is compliance with product description and whether all components are in good condition. * :download:`Components List ` Below is the introduction to each component, which contains the operating principle of the component and the corresponding projects. **Basic** .. toctree:: :maxdepth: 1 component_gpio_board component_breadboard component_resistor component_transistor component_capacitor component_diode component_wires **Chip** .. toctree:: :maxdepth: 1 component_74hc595 component_l293d component_adc0834 **Display** .. toctree:: :maxdepth: 1 component_led component_rgb_led component_bar_graph component_7_segment component_4_digit component_dot_matrix component_i2c_lcd **Sound** .. toctree:: :maxdepth: 1 component_buzzer component_audio_speaker **Driver** .. toctree:: :maxdepth: 1 component_motor component_servo component_power_module component_relay **Controller** .. toctree:: :maxdepth: 1 component_button component_micro_switch component_slide_switch component_potentiometer component_joystick component_rotary_encoder component_keypad **Sensor** .. toctree:: :maxdepth: 1 component_photoresistor component_thermistor component_tilt_switch component_touch_switch component_reed_switch component_avoid_module component_speed_sensor component_pir component_ultrasonic_sensor component_humiture_sensor component_mpu6050 component_mfrc522 component_camera_module