Microphone Sound Detection Sensor 4Pin

From the shop's description

Microphone Sound Detection Sensor 4Pin is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. Product description: sound sensor – microphone The sound detector with a small electret microphone, a voltage supply range from 3.3 V to 5 V. The module is easy to use, has two outputs: an analog – to measure the intensity of the digital signal and changing state when exceeding a certain level. Using sound sensor The sensor has a 4-pin connector with analog and digital output A0 D0 to be attached to the pin of the microcontroller, e.g.an Arduino. PIN DESCRIPTION A0 The output of the analog signal. g The ground of the system. + Supply voltage range from 3.3 V to 5 V. D0 The output digital signal. The product is compatible with Arduino A sample program for Arduino . Specification of sound sensor Supply voltage: from 3.3 V to 5 V Output: analog signal and digital Connector: 4-pin Microphone: electret Mounting hole: 3 mm Frequency range: 50 Hz to 20 kHz Resistance: 2.2 kOhm Sensitivity; from 48 dB to 66 dB Operating temperature: -40 °C to 85 °C Module dimensions: 35 x 15 mm Weight: 4 g It’s perfect for DIY makers, students, and anyone building custom electronic circuits or STEM kits.