Sipeed Maix R6+1 Microphone Array 6+1 Digital Microphones and 12 RGB LEDs Compatible with Maix Aiot Series

• Type: Dev.Board
• Chipset: K210
• Application: The Internet of Things
• Origin: Shanghai, China
• Model NO.: sipeed Maix R6+1

Product Description

R6+1 Microphone Array, 6+1 Digital Microphones and 12 RGB LEDs, Compatible with Maix AIoT series

Overview

The Maix R6+1 Microphone Array module features 6+1 digital microphones and 12 RGB LEDs onboard, compatible with Maix AIoT series development boards. It is an ideal choice for voice-related applications such as sound source orientation, beamforming, and speech recognition.

Specifications

1. 6+1 MEMS microphones (MSM261S4030H0):
2. Sound pressure level: 140 dB SPL
3. Sensitivity: -26(dB, dBFS @ 1kHz 1Pa)
4. Signal to noise ratio: 57 dB (20kHz bandwidth, A-weighted)
5. THD <1% (100dB SPL @ 1kHz S = Nom, Rload> 2k)
6. Clock frequency:
7. 1.0-4.0Mhz (normal mode)
8. 150-800khz (low power mode)
9. 12 RGB LEDs (SK9822):
10. Viewing angle: 120 degree
11. Dual-line synchronous
12. RGB three-color LED output control, 8-bit (256 level) color levels, 5-bit (32 level) brightness adjustment
13. Current: 20mA per color for each LED, 60mA at full color and full brightness
14. Operating voltage: 3.3V
15. Operating current: >750mA (full brightness)
16. Temperature rise: <30K
17. Operating temperature: -30 ~ 85
18. Dimensions: 78mm × 89mm

Applications

1. Sound source orientation
2. Beamforming
3. Speech recognition

Example

Note: for reference only, Maix Go in the photo is NOT included.

Dimensions

Development Resources

Wiki: wiki/Maix_R6+1_Microphone_Array

Packing List

1. Maix R6+1 Microphone Array x1