Item Type: Sensor Module Kit 1. The 22 sensor module kit is a 22-in-1 module for beginners. The sensor learning package includes most designed projects for beginners. 2. The sensor kit can provide step-by-step instructions, overviews, detailed circuit connection graphics/videos, proven sample codes and library packages, which can save a lot of user research time and speed up learning 3. The sensor kit has been carefully selected and tested. Eliminate useless and seldom used modules. Like the other sensors in the kit, many older sensors with low reliability and duplicate functions have been removed. Therefore, you can save a lot of product and transportation costs for our users. 1This product is suitable for Raspberry Pi's high?quality sensor module kit 2The modules in this kit are 100% compatible for Raspberry Pi and for STM32 3A variety of module combinations, allowing beginners to learn and understand better 4Complete tools, you can operate it yourself, suitable for DIY enthusiasts 5The sensor kit has been carefully selected and tested to eliminate useless and rarely used modules1 x DHT111 x Temperature and Humidity Sensor GY (Infrared) Set (2 Templates + 1 Wire)1 x Pressure Sensor1 x Photosensitive Sensor1 x Soil Moisture Sensor1 x KY-008 Sensor1 x TTP223bBTouch1 x Sensor Water Level1 x Sensor Tension1 x Speed ??Sensor1 x Linear Linear Hall Sensor1 x HC-SR04 Ultrasonic Sensor1 x Vibration Switch Sensor1 x Tracking Module1 x Microphone Sensor1 x Photosensitive Sensor Set (1 Template + 1 Interface)1 x Obstacle Avoidance Sensor Set (1 Template + 1 Wire)1 x Raindrop1 x Sensor1 x Infrared Angle Sensor Set (2 Template)1 x Hall Sensor Magnetic Sensor1 Bundle Cable