The PCB Artists I2C Decibel Meter module with (IP67 microphone, pluggable electret) features
- Good accuracy (±2 dB SPL @ 1kHz with supplied electret microphone)
- Supports any electret microphone via JST connector
- Easy to replace microphone, ideal for outdoor sound level measurement
- Outdoor enclosure friendly – compatible with common cable glands
- Measurement range of 35 dB to 120 dB
- Easy to use – standard I2C interface
- Line Output for external audio recorder
- Low power consumption, only 10mA @ 3.3V (measurement) and ### (sleep mode)
- Supports A-weighted, C-weighted, and Z-weighted readings
- Exponential time averaging – Fast (125 ms), Slow (1000 ms), or Custom (10 ms to 10,000 ms)
- Threshold detection and interrupt pin
- 100-reading buffer to allow host MCU to sleep during measurements
Decibel Meter – Documentation
- IMPORTANT notes on IP67 microphone
- Hardware Manual
- Programming Guide and I2C Register Map
- Mounting Guide for Outdoor Applications
Example Projects and Source Code
Coming soon!
Physical Dimensions
The decibel meter module PCB measures 1.35 inches x 0.75 inches. Other relevant dimensions are marked below.
If you need a DXF drawing file or 3D model in STEP (STP) format, please contact us.
Decibel Meter Module, Dimensions in Inches
Additional Reading (Recommended)
Coming soon!
Reviews
There are no reviews yet.