This is the basic version of the Sensor Learning Kit. It contains 24 very simple modules that can help you quickly understand and grasp the use of a wide variety of sensors. Important: Please be sure to avoid direct contact with the human eye for the included laser head module! Scope of delivery - IR Transmitter Module - IR Receiver Module - Mini Reed Switch Module - Ball Switch Module - Light Dependent Resistor Module - Tactile Switch Module - Active Buzzer Module - Passive Buzzer Module - Linear Magnetic Hall Sensor - Temperature and Humidity Module - RGB LED Module - Line Tracking Module - Obstacle Avoidance Sensor - Flame Sensor Module - Touch Sensor - Laser Module - Hit Sensor Module - DS18B20 Temperature Module - 1 Channel Relay Module - Large Microphone Module - Rotary Encode Module - Switch light module - 3 W LED Module - DS1307 RTC Module https://elecena.pl/product/21050163/kts040-arduino-sensor-kit-24in1 2022-06-20 https://elecena.pl/product/21050163/kts040-arduino-sensor-kit-24in1 2022-12-06 https://elecena.pl/product/21050163/kts040-arduino-sensor-kit-24in1 2023-05-26 https://elecena.pl/product/21050163/kts040-arduino-sensor-kit-24in1 2024-02-12 https://elecena.pl/product/21050163/kts040-arduino-sensor-kit-24in1 2024-06-23 https://elecena.pl/product/21050163/kts040-arduino-sensor-kit-24in1 2026-02-14