Feature: 1. Contain 45 most mainstream sensors and modules, allow you to make many devices, robots and other interactive devices. 2. Compatible with various microcontrollers and for RPI, such as for mega 2560, for r3 development board/pro micro, etc. 3. Good kits for those beginners who are interested in electronic components and programming introductory learning. 4. With most sensors and excellent performance, can replace old or damaged sensors. 5. Small in size and light in weight, convenient to carry and use at any time, very convenient and practical. Specification: Item Type: 45 in 1 Sensor Modules Kit Material: Resin Purpose: Electronics, programming introductory learning kit Package List Including: 1 x Breadboard Power Module 1 x GY-521 3-Axes Acceleration Gyroscope 6DOF Module (three are integral) 1 x MH Real-Time Clock Module 1 x HW-498 Analog Temperature Sensor Module 1 x HW-495 Hall Magnetic Module 1 x HW-489 Infrared Transmitting Sensor Module 1 x HC-SRO4 Ultrasonic Module 1 x HW-484 Large Reed Module 1 x HW-480 Red and Green Dual Color LED Module 1 x HW-479Ttri-color Light RGB Module 1 x HW-203 SD Card Reader Module 1 x HW-499 Magic Light Cup Module 1 x HW-488 Smart Car Obstacle Avoidance Sensor 1 x HW-486 Photoresistor Module 1 x HW-040260 Degree Spiral Encoder Module 1 x HW-511 Tracking Module 1 x HW-485 High-Sensitivity Microphone Sensor Module 1 x HW-478 Three-Color Full-Color LED Smd Module 1 x HW-491 Flame Modul 1 x HW-502 Finger Detection Heartbeat Module 1 x HW-512 Active Buzzer Module 1 x HW-038 Water Depth Detection Module 1 x HW-477 Two-Color LED Common Cathode Module 1 x HW-080 Soil Probe Module + HW-103 Temperature and Humidity Module (two together) 1 x MP1584 Board 3A Regulated Power Supply Module 1 x HW-513 Vibration Switch Module 1 x HW-487 Light Interruption Sensor Module 1 x HW-494 Metal Touch Module 1 x HW-509 Linear Magnetic Hall Sensor 1 x HW-501 Tilt Switch Module 1 x HW-490 Infrared Sensor Receiving Module 1 x HW-483 Micro Switch Module 1 x HW-500 Tap Sensor Module 1 x HW-505 Switch Module 1 x HW-497 Mini Reed Module 1 x HW-496 Microphone Amplifier Module 1 x HW-492 Hall Sensor Module 1 x HW-507 Single Bus Digital Temperature and Humidity Sensor 1 x HW-508 Small Passive Buzzer Module 1 x HW-504 Dual-Axes Button Remote Lever 1 x HW-481 Colorful Automatic Flashing LED Module 1 x HW-493 Laser Head Sensor Module 1 x HW-482 5V Relay Module 1 x HW-506 Temperature Sensor Module 1 x HW-503 Digital Temperature Sensor Module. Package List: 1 Set Sensor Modules Note: This kit does not include the controller board.