ELEGOO Upgraded 37 sensor modules kit is the most useful and highest cost performance sensor kit in market. It is 100% suitable for beginners. And it is also 100% compatible with STM32. But if you want to use it with STM32, you may find the tutorial by yourself. We only offer the tutorial in our CD. The kit has only sensor modules, if you want to use it, you will need the wires and controller boards. Warning Tip: The input voltage of Elegoo Power Supply Module is 6. 5v - 9v (DC) via 5. 5mm x 2. 1mm plug . Please DO NOT over charge it otherwise it will burn your board and chips. Component listing: 1 x Joystick Module 1 x Relay Module 1 x Rotary Encoder Module 1 x DS-1307 RTC Module 1 x Ultrasonic Sensor Module 1 x HC-SR501 PIR sensor Module 1 x Flame Sensor Module 1 x Linear Hall Module 1 x Metal Touch Module 1 x Digital Temperature Module 1 x Big Sound Module 1 x Small Sound Module 1 x RGB LED Module 1 x SMD RGB Module 1 x Two-tone Color Module 1 x 7 Color Flash Module 1 x Laser Emit Module 1 x Shake Module 1 x IR Receiver Module 1 x IR Emission Module 1 x Tilt Switch Module 1 x Button Module 1 x Active Buzzer Module 1 x Passive Buzzer Module 1 x 18B20 temp Module 1 x Photo-resistor Module 1 x Temperature and Humidity Module 1 x GY-521 Module 1 x Photo-interrupter Module 1 x Tap Module 1 x Membrane Switch Module 1 x Avoidance Module 1 x Tracking Module 1 x Magnetic Spring Module 1 x Water Lever Sensor 1 x Power Supply Module 1 x LCD1602 Module (with pin header)