Dimensions and 3D Models

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Summary: Detailed information on the mechanical dimensions and downloadable 3D models for the PCBA-DBM-r3 are available here.

Module Dimensions

The dimensions for the PCBA-DBM-r3 module is shown below.

PCBA-DBM-r3 dimensions — **PCBA-DBM-r3 Dimensions (Unit: inches)**

3D Model Downloads

STEP files are available to download for both connector configurations of the PCBA-DBM-r3.

⬇️ Download STEP file (0.1″ header)

⬇️ Download STEP file (JST Connector)

PCBA-DBM-r3 audio inlet hole — **PCBA-DBM-r3 Audio Inlet Location**

⚠️ IMPORTANT
Ensure that the audio inlet is exposed to the sound source. The PCBA-DBM-r3 module is based on a bottom-port MEMS microphone, so the audio inlet hole is on the bottom of the PCB.
The microphone component/body (on the top side of the PCB) does not need to be exposed to sound.

Revision History

➤ September 12, 2025
– Initial release