When no pressure is being applied to the FSR its resistance will be larger than 1MΩ
There is an on-board signal conditioning circuit for amplifying output signal and an on-board heating circuit for heating the sensor
Arduino and Raspberry code by Adafruit
Ky033 line tracker user manual and Arduino code
this module is available to measure temperature
Microphone condenser 4*1.5 mm water proog When no pressure is beingElectric 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