22in1 Starter Learning Kit for arduino   Characteristics High quality sensor module kit for Arduino and Raspberry pi. 100% compatible with Arduino Raspberry Pi and STM32 Total setup 22 module sensors, for beginners, 22 in 1 sensor learning package includes most design projects for beginners The sensor kit provides step-by-step instructions, overview, detailed circuit connection graph/video, verified sample code and library package which can save user time and accelerate learning progress All sensor kits are carefully selected and tested. Removed useless and less used modules. We eliminate many outdated sensors which have low reliability and duplicate function as other sensors in the kit.                     Components included in the kit DHT11 Temperature and humidity sensor HC-SR501 Infrared sensor GY-BMP280 Pressure sensor LM393 photosensitive sensor Soil moisture sensor KY-008 Sensor TTP223B Touch sensor Water level sensor Voltage sensor Speed ​​sensor Linear magnetic Hall sensor DuPont cable (male to female) HC-SR04 Ultrasonic sensor Vibration switch sensor Tracking form Microphone sensor Photosensitive sensor Obstacle avoidance sensor Raindrop sensor Angular sensor Infrared receiving sensor Hall Magnetic Sensor