24 In 1 Sensor Kit UNO R3 Development Module Board Starter Learning Kit Free Tutorial Keyes for Arduino - products that work with official Arduino boards -2021. Feature: Good kit for Arduino starter. FreeTutorial. Package includes: 1 x keyes brick LED red to red Module; 1 x keyes brick Plug-in RGB Module; 1 x keyes brick Thermistors Sensor; 1 x keyes brick Passive Buzzer; 1 x keyes brick Hall Magnetic Sensor; 1 x keyes brick Knock Sensor; 1 x keyes brick Rotary Encoder Module; 1 x keyes brick Temperature Sensor; 1 x keyes brick LED Yellow to Yellow LED Module; 1 x keyes brick Photocell Sensor; 1 x keyes brick Adjustable Potentiometer Module; 1 x keyes brick Adjustable Potentiometer Module; 1 x keyes brick Button Sensor(with yellow cap); 1 x keyes brick Reed Switch; 1 x keyes brick Temperature and Humidity Sensor; 1 x keyes brick Laser Head Sensor; 1 x keyes brick 3W LED Module; 1 x keyes brick Microphone Sound Sensor; 1 x keyes brick Active Buzzer; 1 x keyes brick Line Tracking Sensor; 1 x keyes brick Tilt Sensor; 1 x keyes brick Crash Sensor; 1 x keyes brick Temperature Sensor; 1 x keyes brick 5V 1-channel Relay Module; 1 x keyes UNO R3 for arduino Development Board; 1 x Keyes brick Sensor Expansion Board; 10 x 3P dual headXH2.54 L=200mm Cable; 2 x 4P dual headXH2.54 L=200mm Cable; 2 x 5P dual headXH2.54 L=200mm Cable; 1 x AM/BM Blue OD:5.0 L=50cm Cable