PDM Microphone Sensor 20-20kHz Knowles SPK0641HT4H-1

Description

The RAK18030 is a mono PDM microphone module based on the Knowles SPK0641HT4H-1 which extends the WisBlock system with sound sensing capability.

The RAK18030 is a digital microphone module that converts analog audio to digital PDM signals. It supports left and right channels through a GPIO signal.

The RAK18030 can be used in applications such as audio sensing, audio recording and voice control.

Features

• PDM microphone
• Flat Frequency Response 20 - 20kHz
• Low Distortion of 2.2% at 115dB SPL
• 5dB(A) signal-to-noise ratio
• Omnidirectional sensitivity
• Size 15mmx 25mm

Package Inclusion

• 1 pc RAK18030
• 3 pc M1.2x4 Screw

Documentation

• RAK18030 Datasheet
• Build Your Own Voice Recognition Device Using Wisblock Audio
• RAK18030 3D model
• WisBlock Quick Start Guide
• WisBlock Source Code Repository
• 40-Pin Male Connector 3D File
• WisBlock IO Tutorial