This Arduino™ sensor kit contains 40 sensors and modules: - Joystick - Relay - Microphone - 8 LED PCB - Voltage regulator linear - Flame - Hall TTL - Touch - Temp I2C - Buzzer - Piezo Speaker 16R - RGB-LED - IR-optical detection - Two color LED 5/3mm "RED/GREEN - Gas MQ-2 - Vibration - Reed contact - Heartbeat - Flash LED - Light barrier - Button - Shock - Rotary encoder - 5V Step-engine with driver PCB - Tilt - Photoresistor - Temperature and humidity - Potentiometer / analog hall - 1W LED module WW - Temperature 1Wire - NTC treshold TTL / NTC 10k - IR receiver 38KHz - IR LED - Motion detection PIR https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2017-08-05 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2017-08-11 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2017-10-18 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2018-01-25 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2021-05-16 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2021-06-16 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2022-06-21 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2025-04-07 https://elecena.pl/product/9696339/4duino-40in1-kit1-arduino-40-in-1-sensor-kit-sensors-and-modules 2026-02-20