Product Details
Sipeed 6+1 Microphone Arra is a 6 microphone expansion board for Maix AI development boards designed for AI and voice applications. Including 6+1 digital microphones, 12 three-color LEDs, it supports sound localisation, beam forming, speech recognition etc.
Sipeed R6+1 Microphone Array Datasheet V1.0
Hardware
- Supply voltage of external power supply 3.3V ±0.2V
- Supply current of external power supply >750mA(Full brightness)
- Temperature rise <30K
- Range of working temperature -30℃ ~ 85℃
6 MEMS microphones : MSM261S4030H0
- Sound Pressure Level : 140 dB SPL
- Sensitivity : -26(dB,dBFS @1kHz 1Pa)
- Signal to noise ratio : 57 dB (20kHz bandwidth,A-weighted) THD<1% (100dB SPL @1kHz S=Nom,Rload>2k )
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Clock frequency :
- 1.0-4.0Mhz(normal mode)
- 150-800khz(low power mode)
12 SK9822 LED
- Viewing angle : 120 degree
- Synchronous of two-lane
- Choose postive output or negative output RGB tri-color LED out, 8 Bit(256level) color Set,
- 5Bit (32 level) brightness adjustment
- Current 20ma per color, 60mA total at full brigtness