Octopus Sound Sensor
Price in Singapore Dollars, including 7% GST of $0.28
Octopus Sound Sensor Brick is a sensor module based on MIC sound sensing element. This sound sensor is particularly sensitive to sound intensity, and it can be used to detect ambient sound level, but it can not identify the size of sound and the specific sound frequencies. It is available to make voice switches and other projects. 3 pins electronic building block interface: input 5V - GND, S for detection pin.