Milk-V Duo S

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multiple revisions of this device, use caution
abgn+ac+ax (AX900)
Low Cost RISC-V Development Board
Duo-s-front.jpeg
Homepage
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Status Unknown
Tomato any flavor
Incompatible
Platform
BrandModelRev
Milk-V Duo S v1.1
FCC ID
none specified
Type
single-board computer, development board
CPU1
SophGo SG2000
CPU1 Speed
1.0 GHz ( 2 cores )
Flash1 Chip
Brand? Model?
Flash1 Size
0 MiB0 B <br />0 Kib <br />0 KiB <br />0 Mib <br />0 GiB <br />
RAM1 Size
512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br />
RAM1 Chip
SophGo SG2000
ETH chip1
SophGo SG2000
Ethernet Port Count
1-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

802dot11 OUI: none specified

Stock bootloader
U-Boot 2021.10
Stock FW OS
Linux 5.10.4 Buildroot 2021.05
Expansion IF types
USB 2.0, Micro SD Card slot
USB ports
1
USB Hub Compatible
Untested
Power
5 VDC, 1 A
Connector type
USB (Type-C) Female
Serial Port (UART)
yes, via GPIO header, 3.3V TTL, (115200 8N1)
Flags:
Wi-Fi 6, Micro SD Card slot, MIPI CSI, MIPI DSI, PWM, I2C, SPI, UART, GPIO

Additional chips
18V, 2A Synchronous Step-Down Regulator;Silergy;SY8120I;;1;
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1.5MHz, 2A Synchronous Step Down Regulator;Silergy;SY8892E;;3;
Low-Power Two-Port High-Speed USB 2.0 Switch;OnSemi;FSUSB30;;1;
4-Bit Bidirectional Voltage-Level Translator;Union Semi;UM3204;;1;
Single Channel Power Distribution Switch;SGMicro;SGM2578;;1;
Dual-band, Dual-mode Multilayer Chip Diplexer;ACX;DP1608;;1;
Small Logic Two-Input AND Gate;SGMicro;SGM7SZ08;;1;

Other

Default IP address: acquired via DHCP
the IP acquired via DHCP is used by 213 additional devices
of which 3 are Milk-V devices

Manuf/OEM/ODM
Retail
(Est.) release date March 2024
(Est.) initial retail price (in USD): $13
ASIN B0D1QGNP8R Flag of the United States.svg
Country of manuf China
Radio 1
Radio1 module
unknown
Radio1 module IF
SDIO 3.0 (module)
Chip1
AIC AIC8800
Wireless interface OUI
none specified
Antenna Connector Type
U.FL
MIMO status
1x1:1
Wireless Standard
IEEE 802.11a/b/g/n/ac/ax
802.11ax
up to 287/600.5 Mbps
802.11ac
up to 433 Mbps
802.11n
up to 150/150 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
802.11a
up to 54 Mbps
WiFi Operating Frequency
2.4 or 5 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
Milk-V DuoCVitek
Milk-V Duo 256MSophGo
Milk-V Duo SSophGoAIC

For a list of all currently documented AIC chipsets with specifications, see AIC.
For a list of all currently documented SophGo (SophOn) SoC's with specifications, see SophGo.

For a list of all currently documented Milk-V device with specifications, see Milk-V.

287 Mbps - 1SS 2.4GHz 802.11ax (40MHz chan., 256-QAM),
600.5 Mbps - 1SS 5GHz 802.11ax (40MHz chan., 256-QAM) = AX900 class

Overview

"milkV" and "DUO_S_MB_V1-1" is silkscreened on board bottom.

See also: Milk-V and List of SBCs

Hardware specification

  • CPU: SophGo SG2000 @1.0GHz (selectable)
SoC: RISC-V C906 @700MHz (64-bit) core or
ARM (Cortex-A53), NPU: 0.5 TOPS INT8, BF16;
MCU 8051 @25-300MHz core with 8KB SRAM
  • Storage: TF card (max.128GB)/MMC card slot,
  • Memory: 512MB (DDR3) RAM (integrated SiP)
  • WiFi: AIC AIC8800 D40 (1T1R 802.11ax)
SDIO 3.0: Wi-Fi, UART/PCM: BT 5.4 BLE
  • Network: 1x Fast Ethernet (100MbE) port
  • USB: 1x USB 2.0 (Type-C), 1x USB 2.0 (Host) ports
  • GPIO: 2x 26-pin headers
  • Power Source: 5V via USB (Type-C) port

Links of Interest

Documentation

Pictures

User Images

See also

Milk-VProduct/ChipsDocs
Milk-V Duo SSophGo SG2000
Milk-V Duo 256MSophGo SG2002
Milk-V BMC 08ArtinChip D213ECV