Where is the driver info? The vendor's page seems devoid of configuration information.

It can be tricky. Even with their information, it's only easy if you revert back to one of their supported kernel versions. It works well when properly installed, but in my case I did not want to go back to a prior kernel so I downloaded the kernel code and cross compiled the drivers on my linux system. https://github.com/respeaker/seeed-voicecard There is information on the Seeed wiki

I downloaded the seeed-voicecard files but the mic still isn't showing up (arecord -l and aplay -l). how can i get the rpi 3 b+ to recognize the mic?

You might need to clone the git repository and run the installer script, which will recompile the kernel if it's not working on the default kernel. This is what I had to do, and then everything worked for me.

Does the 3.5mm Jack support microphone in as well as speaker out?

The 3.5mm Jack only supports speaker out. But the MIC-L and MIC-R support microphone in.

Does it need separate power it works with the Raspberry pi power itself?

Pi powered. No external required.

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KEYESTUDIO ReSpeaker 2-Mics Pi HAT V1.0 Audio Decoder Sound Card Expansion Board for Raspberry Pi Zero W H 3 4 4B

KEYESTUDIO ReSpeaker 2-Mics Pi HAT V1.0 Audio Decoder Sound Card Expansion Board for Raspberry Pi Zero W H 3 4 4B

Product ID: 728165412

Details

Brand
KEYESTUDIO
CPU Model
Intel Core
Color
black
Graphics Card Description
Integrated
Graphics Coprocessor
Raspberry Pi
Memory Storage Capacity
1 TB

🎤2 high-sensitivity mics for crystal-clear voice capture

💡3 APA102 RGB LEDs for dynamic visual feedback

🔌Dual Grove connectors + 3.5mm & JST audio outputs for versatile expansion

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COP 68467

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Sold byAmazon ColombiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate your Raspberry Pi audio game — hear, see, and build smarter!

DUAL MIC PRECISION - Capture every word with two built-in microphones optimized for AI voice apps.
FLEXIBLE AUDIO I O - Seamlessly connect speakers or headphones via 3.5mm jack or JST output.
VIBRANT RGB FEEDBACK - Customize your device’s look and status with three programmable APA102 LEDs.
DEVELOPER FRIENDLY SUPPORT - Access detailed connection diagrams, sample code, and expert help to accelerate your project.
PLUG PLAY RASPBERRY PI COMPATIBILITY - Designed for Pi Zero W, 3, 4, and 4B for instant integration.

The KEYESTUDIO ReSpeaker 2-Mics Pi HAT V1.0 is a compact, low-power audio expansion board tailored for Raspberry Pi models Zero W, 3, 4, and 4B. Featuring dual microphones, programmable RGB LEDs, and multiple audio output options, it empowers developers to create advanced voice and AI applications with seamless hardware and software support.

Specifications

ASIN	B07H3T8SQY
Additional Features	Microphone
Amazon Bestseller	#52,912 in Computers ( See Top 100 in Computers ) #449 in Single Board Computers
Aspect Ratio	16:9
Brand	KEYESTUDIO
CPU Model Number	11700K
Color	black
Compatible Devices	Speaker
Connectivity Technology	USB
Cooling Method	Water
Customer Reviews	4.2 4.2 out of 5 stars (215)
Display Resolution Maximum	1280x720
Display Type	LED
Graphics Card Interface	Integrated
Graphics Coprocessor	Raspberry Pi Integrated Graphics
Graphics Description	Integrated
Hard Disk Description	1TB HDD
Hardware Interface	USB
Human-Interface Input	Buttons, Microphone
Item Weight	0.01 Kilograms
Memory Storage Capacity	1 TB
Model Year	2019
Native Resolution	1280 x 720
Operating System	Linux
Personal Computer Design Type	Stick PC
Processor Brand	ARM
Processor Count	1
Processor Series	Intel Core i7-11700K
RAM Type	DDR3 SDRAM
Resolution	1280 x 720
Screen Size	1 Centimeters
Total Usb Ports	4
UPC	606184533558
Video Output	USB
Video Output Interface	usb
Video Processor	via
Wireless Compability	Bluetooth
Wireless Network Technology	Wi-Fi

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