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.  Free Tutorial.     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