Multifunction Expansion Board DHT11 LM35 Temperature Humidity For Arduino UNO<br>Function:<br>2-way button module2-way LED moduleFull Color LED ModuleIR receiver moduleBrightness sensor moduleLM35D temperature sensor modulePassive buzzer moduleRotary potentiometer moduleDHT11 temperature and humidity sensor moduleOne I2C interface (A4 SDA， A5 SCL)One TTL serial portTwo channel digital ports (D7， D8)One channel analog port (A3)Reset button<br>Feature:<br>Fully compatible with Arduino UNO R3 interfacesProviding Arduino beginners basic experimental moduleA board integrates various modules functionNo welding， no connection， you can download the program directly to complete the experimentProvide all the module code library files， all tested and can be used directlySet aside expansion port， you can complete other modules experiment<br>Package included:<br>1 x Multifunction Expansion Board