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Seeed Technology Co., Ltd
ReSpeaker Core v2 User Guid
ReSpeaker Core v2.0 User Manual
Seeed's ReSpeaker Core v2.0 is designed for voice interface applications. It is based on the
Rockchip RK3229, a quad-core ARM Cortex A7, running up to 1.5GHz, with 1GB RAM. The
board features a six microphone array with speech algorithms including DoA (Direction of
Arrival), BF (Beam-Forming), AEC (Acoustic Echo Cancellation), etc.
ReSpeaker Core v2.0 runs a GNU/Linux operating system. It benefits from a powerful and active
community allowing for the use of existing software and tools for development, testing, and
deployment, enabling rapid product development.
ReSpeaker Core v2.0 is designed as a feature rich development board for businesses to
evaluate. To this end the board consists of two main sections, the first being the center core
module containing the CPU, Memory (RAM), and PMU. The second section is the outer carrier
board which contains the peripherals such as the eMMC, connectors, and wireless connectivity
components. Either section or both can be customized through Seeed's customization services.
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Summary of Contents for Seeed Technology ReSpeaker Core v2.0
- Page 1 ReSpeaker Core v2 User Guid ReSpeaker Core v2.0 User Manual Seeed’s ReSpeaker Core v2.0 is designed for voice interface applications. It is based on the Rockchip RK3229, a quad-core ARM Cortex A7, running up to 1.5GHz, with 1GB RAM. The board features a six microphone array with speech algorithms including DoA (Direction of Arrival), BF (Beam-Forming), AEC (Acoustic Echo Cancellation), etc.
- Page 2 Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid Features All-in-One Solution w ith High Performance SoC 1GB RAM & 4GB eMMC 6 Microphone Array USB OTG, USB device WiFi b/g/n and Bluetooth V4.1 dual mode Detect range: ~5 meters Grove socket for other sensor 3.5mm audio jack &...
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Page 3: Specification
Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid Specification Soc(Rockchip RK3229) CPU Quad-Core Cortex-A7,up to 1.5GHz Mali400MP, Support OpenGL ES1.1/2.0 Memory 1GB RAM(Core Module includes RAM and PMU) System Operating Voltage:3.6-5V 80 pins on-module PMU on-module Peripheral Networks WiFi b/g/n;... -
Page 4: Hardware Overview
SD Card Slot: To plug in micro-SD card. ⑧ eMMC: You can burn the image into eMMC, so that the ReSpeaker Core v2.0 can boot from the eMMC. ⑨ USB Host: You can plug USB device, such as USB mouse, USB keyboard and USB flash disk. -
Page 5: System Diagram
Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid System Diagram... - Page 6 Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid Pin Out Pin index definition for headers GPIO Pins...
- Page 7 Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid I2C Pins Dim ensions Applications Smart speaker Intelligent voice assistant systems Voice recorders Voice conferencing system Meeting communicating equipment Voice interacting robot Car voice assistant ...
- Page 8 Image Installation Similar to the Raspberry Pi, you need to install the ReSpeaker Core v2.0 image from an SD card to get up and running. We offer two ways to boot the Respeaker core v2.0. You can either boot from the SD card or boot...
- Page 9 Flash! to start burning. It will take about 10 minutes to finish. Step 4. After writing the image to the SD card, insert the SD card in your ReSpeaker Core v2.0. Power the board using the PWR_IN micro usb port and DO NOT remove the SD card after powering on.
- Page 10 You can also check the image version with this command: cat /etc/issue.net. Serial Console Now your ReSpeaker Core v2.0 can boot, you might want to get access to the Linux system via a console, to setup the WiFi, etc. You have two ways to get the console: A.
- Page 11 Windows: use PUTTY, select Serial protocol, fill in the correct COM port of ReSpeaker Core v2.0, 115200 baud, 8Bits, Parity None, Stop Bits 1, Flow Control None. Linux: Depend on your USB To TTL Adapter, it could be...
- Page 12 Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid Now follow step 2 above to connect to your Respeaker over this serial connection. And note this is a one time procedure as you'll next setup your Respeaker for Wi-Fi connectivity and then connect via ssh or VNC going forward.
- Page 13 Using the ReSpeaker Core v2.0 as a Bluetooth Speaker-Slave Device When the ReSpeaker Core v2.0 restart, open the bluetooth of your phone or computer, you will find a bluetooth device called ReSpeaker-xxxx. Choose and connect to it. Plug a speaker or headset into the ReSpeaker Core v2.0...
- Page 14 Step 2. Tap scan on to scan your bluetooth device. Step 3. When the ReSpeaker Core v2.0 find your target device, tap scan off. For this wiki, say, MDR-1000X headset is our target, mark the device ID Device 04:5D:4B:81:35:84.
- Page 15 Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid If Connection successful pops up, configuration!
- Page 16 Seeed Technology Co., Ltd ReSpeaker Core v2 User Guid Notice to Host Manufacturer Host Manufacturer who integrate this transmitter into a non-accessible enclosure, it’s acceptable to label the device with the FCC identifier such as “This product contains transmitter FCC ID Z4T-RESPEAKERV2.” to...
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Page 17: Fcc Regulatory Compliance Information
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Manufacturer Information Company Name: Seeed Technology Co., Ltd. Company Address: 1F, Tower B, Building 2, Shanshui Building, NanshanYungu Innovation Industry Park, Liuxian Ave, Nanshan District, Shenzhen, Guangdong, PRC.
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