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$10.80 RISC-V AIoT module supports Linux

Dec 3, 2022 — by Giorgio Mendoza 4,642 views

The Sipeed M1s is a compact module integrating the Bouffalo Lab BL808 RISC-V SoC module along with a NPU. The device also provides WiFi/BL, 802.15.4 Zigbee connectivity and support for interfaces such as UART, I2C, SPI, etc.

The Bouffalo Lab BL808 SoC was also seen on the Ox64 embedded platform that was released not so long ago for a similar price. 

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  • Bouffalo Lab BL808 — Alibaba T-head C906 64-bit RISC-V RV64GCV+ core (up  to 480MHz); Alibaba T-head E907 32-bit RISC-V RV32GCP+ core (up to 320MHz); 32-bit RISC-V RV32EMC core (up to 160 MHz); 100 GOPS NPU; VPU H.264 (up to 1920p)

         
Sipeed M1s 3D printed case (left) and comparison table (right)
(click images to enlarge)

The product page specifies that the AI accelerator is the NPU BLAI-100 (Bouffalo LAB AI engine) which is optimized for audio/video detection and recognition. 

The Sipeed M1s also includes a connector for digital cameras, display support and ethernet support. Refer to the pinout diagram below to see all the peripherals interfaces available for this board. 

     
Sipeed M1s pinout (left) and Sipeed M1s module (right)
(click images to enlarge)
        

For software documentation, refer to Sipeed’s GitHub which provides instructions to install the SDK and source code for examples running on this board. Refer to bouffalolab’s GitHub for information about the Linux support for this embedded device.  

      
Sipeed M1s LCD & camera bundle (left) and interfaces available (right)
(click images to enlarge)

Specifications listed for the Sipeed M1s include: 

  • Memory/Storage:
    • 768KB SRAM
    • 64MB UHS PSRAM
    • 16MB Flash
  • Display/Audio:
    • SPI/8-bit MCU/RGB LCD
    • I2S + Analog audio in/out
  • Camera:
    • MIPI CSI + DVP interfaces (up to 1080p H264)
  • Connectivity:
    • Wi-Fi/BLE 
    • Zigbee
    • Ethernet (RMII)
  • I/O Interfaces:
    • UART, I2C, SPI, SDIO
    • ADC/DAC
  • USB:
    • 1x USB 2.0 OTG HS
  • Software:
    • FreeRTOS
    • Linux
  • Power:
    • 5V DC
  • Dimensions:
    • 31 x 18mm

 Further information

The Sipeed M1 had an Indiegogo campaign sometime ago, but now it’s available on AliExpress for $10.80. The 3D printed shells cost roughly  $3.50.  The company is also offering a bundle which includes an LCD and a camera for around $19.90. Additionally, the M1S module is listed for $6.99 on the same product page.

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2 responses to “$10.80 RISC-V AIoT module supports Linux”

  1. Brian says:

    Dimension in bullet list looks 10x to big

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