Temperature Detect करन Automatic पख च ल कस करण र ?
स ह तय Arduino UNO Temperature Sensor Relay 5 V Adapter 9 V Jmper Wires Fan
Circuit Diagram Vcc Data NC GND DHT 22 Arduino Uno 5 V GND Vcc GND IN 7 Relay GND NO COM Temp Sensor NC 2 Fan 9 V Adapter
Connections Vcc of DHT 22 5 v Arduino Vcc of Relay 5 v Arduino Data of DHT 22 Pin 2 Arduino GND of DHT 22 GND Arduino GND of Relay GND Arduino IN of Relay Pin 7 Arduino +ve of 9 v Adapter COM of Relay +ve of fan(output) NO of Relay