Mạch Loa Âm Thanh Thông Minh Với Đèn Led Rgb Dành Cho Raspberry Pi 4b

Features:
Support For: For Raspi Voice HAT is a for Raspberry Pi dual-microphone expansion board specially designed for AI and voice applications.
It supports for Raspberry Pi 4 Model B/ 3B+/ 3B/ 2B. Now you can build a more powerful and flexible voice product that integrates for
Amazon for Amazona voice service, for Google Assistant, for Baidu AI, etc.
Voice Recognition Function: The board is an audio module designed based on the for Raspberry Pi. It uses the WM8960 low-power stereo codec,
which is controlled by the I2C interface, and the audio is transmitted through the I2S interface. 
Dual Speakers: There are two microphones on both sides of the circuit board to collect sound. It also provides 12 APA102 RGB LEDs and an
onboard speaker, and provides a user button and an I2C interface for expanding applications.
Audio Output: In addition, the on-board 3.5mm audio jack or JST 2.0 speaker output can be used for audio output, and music can be played through an
external headset, and it can also be played with an external speaker through the dual-channel speaker interface. 
Stereo Recording: There is a high-quality MEMS silicon microphone on the left and right sides of the expansion board, which can record in stereo.
Specifications:
Item Type: Expansion Board
Material: Metal+Electronic Elements
Color: Blue
Applicable Model: For Raspberry Pi 4B Voice HAT 
Supply Voltage: 5V
Logic Voltage: 3.3V
DAC SNR: 98dB
Control Interface: I2C
Audio Interface: I2S
SNR: 94dB
Audio Codec Chip: WM8960
Expansion Interface: 1x I2C, 1x Button
Power Interface: 1xType-C interface (5V)
Headphone Driver: 40mW (16N@3.3V)
LED Interface: 12 APA102 programmable RGB LEDs, connected to SPI interface
Speaker Driver: 1W per channel (8N BTL) (onboard mono speaker)
Size: About 65 x 56mm/2.56 x 2.2inch(L x W)
Package Includes: 
1Pc x Expansion Board(not include for Raspberry Pi board)
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