Sensors
TMP36 Pin Configuration
Pin No.
Pin Name
Description
1
MQ2 Gas Sensor
MQ2 Sensor Pin Configuration
Pin No:
Pin Name:
Description
IR LED (Infrared LED)
Pin Configuration
The IR LED or Infrared LED has polarity i.e.it has a positive and negative pin. The pin which is long is the positive pin (anode) and the pin which is short is the negative pin (cathode) as shown in the above IR LED pinout.
LM35 Temperature Sensor
LM35 Sensor Pinout Configuration
Pin Number
Pin Name
Description
1