.. 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! Hardware ================== When you are writing code, you may need to know how each module works or the role of each pin, then please see this chapter. In this chapter you will find a description of each module's function, technical parameters and working principle. .. toctree:: :maxdepth: 1 cpn_robot_hat cpn_camera cpn_sound_direction cpn_6dof_imu cpn_dual_touch cpn_rgb_board cpn_ultrasonic cpn_battery