SeeedStudio LinkIt Smart 7688 Duo

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multiple revisions of this device, use caution
bgn (N150)
LinkIt Smart 7688 Duo
Homepage Product page
WikiDevi.wi-cat.ru SeeedStudio LinkIt Smart 7688 Duo
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev SeeedStudio LinkIt Smart 7688 Duo
FCC ID Z4T-LINKITS7688D
Type IoT, development board
CPU1 checkY MediaTek MT7688AN
CPU1 Type MIPS 24KEc
CPU1 Speed 580 MHz
CPU2 Question? Atmel ATmega32U4
CPU2 Speed 8 MHz
Flash1 Chip Macronix MX25L25735FMI-10G
Flash1 Size 32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> (NOR)
Flash2 Chip Atmel ATmega32U4
Flash2 Size 32 KiB 0.0313 MiB <br />32,768 B <br />256 Kib <br />0.25 Mib <br />3.051758e-5 GiB <br />
RAM1 Size 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (DDR2 SDRAM)
RAM1 Chip Nanya NT5TU64M16HG-ACI
RAM2 Size 2.5 KiB 0.00244 MiB <br />2,560 B <br />20 Kib <br />0.0195 Mib <br />2.384186e-6 GiB <br />
RAM2 Chip Atmel ATmega32U4
ETH chip1 MediaTek MT7688AN
Ethernet Port Count 0-100MbE-LAN
Wired Standard IEEE 802.3i/3u

802dot11 OUI: 9C:65:F9 (1 E, 2 W)
Ethernet OUI: 9C:65:F9 (1 E, 2 W)

Stock bootloader U-Boot 1.1.3 Ralink 4.3.0.0
Stock FW OS Linux 3.18.21 OpenWrt 15.05 + linkit
Expansion IF types USB 2.0, Micro SD Card slot
USB ports 1
SD/MMC Slots 1
USB Hub Compatible Untested
Power 5 VDC, 2 A
Connector type USB Female (Micro-B)
Serial Port (UART) yes, (57600 8N1),
JTAG Port yes, 8-pad header,

Flags:
Micro SD Card slot, I2C, I2S, SPI, UART, GPIO

Additional chips
1A LDO Voltage Regulator;Torex;XC6220B;;1;

Other

Default SSID: LinkIt_Smart_7688_XXXXXX
Default IP address: 192.168.100.1
the IP 192.168.100.1 is used by 57 additional devices
of which 2 are SeeedStudio devices
Default login user: root
Default login password: change on install
root:change on install credentials used by 1 additional devices
of which 1 are SeeedStudio devices

3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Retail
Availability End of Life
End of Life date 2020
FCC approval date 16 October 2015
(Est.) release date December 2015
(Est.) initial retail price (in USD): $15.90
ASIN B019YLW4GS Flag of the United States.svg
Country of manuf China
Radio 1
Chip1 MediaTek MT7688AN
Wireless interface OUI 9C:65:F9,
Antenna Connector Type U.FL
MIMO status 1x1:1
Wireless Standard IEEE 802.11b/g/n
802.11n up to 150 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
SeeedStudio LinkIt Smart 7688MediaTekMediaTek
SeeedStudio LinkIt Smart 7688 DuoMediaTekMediaTek

For a list of all currently documented Atmel chipsets with specifications, see Atmel.
For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented SeeedStudio devices with specifications, see SeeedStudio.

150 Mbps - 1SS 2.4GHz 802.11n (40MHz chan.) = N150 class

Overview

Hardware specification

(MIPS 24KEc)
  • MCU: Atmel ATmega32U4
  • Memory: 128MB (SDRAM) DDR2
  • Onboard Storage: 32MB NOR,
TF card (max.128GB)/MMC card
  • Wi-Fi: 802.11bgn 1T1R
  • USB: 1x USB 2.0
  • Power Source: USB Female Micro-B

Links of Interest

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
OpenWrt Target: ramips
OpenWrt Subtarget: mt76x8
OpenWrt Package architecture: mipsel_24kc
Support started version: 15.05.1
Current supported version: 24.10.2

Please insert instructions here