Microphone condenser 4*1.5 mm water proog this module is available to

this module is available to measure temperature

There is an on-board signal conditioning circuit for amplifying output signal and an on-board heating circuit for heating the sensor

Rated Current:  25 ma

Ky033 line tracker user manual and Arduino code

Microphone condenser 4*1.5 mm water proog this module is available toElectric microphone is a sound electrical conversion device. It is used in telephones, wireless telephones, mobile phones, ear telephones, recorders, radio recorders, alarms, voice control toys, voice control switches and more Specifications: Size: 4 x 1. 5 mm Directive: unidirectional Connection: solder type Sensitivity: 28 to 58dB Standard operating voltage: 3V Impedance: 2. 2K