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Temperature & Humidity Sensor Module (DHT22) is low-cost digital temperature and humidity sensor
Content : 250 ml
Atmel’s ATMega328P 8-Bit Processor in 28 pin DIP package
A Must For All Mobile And Laptop Owners
Relay Module 4 Channels - 5V) Speaker Temperature & Humidity Sensor ModuleIntroduction : It is a 4 channel relay board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc. It is also able to control various appliances and other equipments with large current. used where it is necessary to control a circuit by a low power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.
