This soil moisture sensor module is used to detect the moisture of the soil. It measures the volumetric content of water inside the soil and gives us the moisture level as output.
Pulse Sensor Features and Specifications
Biometric Pulse Rate or Heart Rate detecting sensor
Plug and Play type sensor
Operating Voltage: +5V or +3.3V
Current Consumption: 4mA
Inbuilt Amplification and Noise cancellation circ