SeeedStudio LinkIt Smart 7688 Duo

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SKU: 672585
  1. 580 MHz MIPS CPU
  2. Single input single output(1T1R) Wi-Fi 802.11 b/g/n (2.4G)
  3. Pin-out for GPIO, I2C, SPI, SPIS, UART, PWM, and Ethernet Port
  4. 32MB Flash and 128MB DDR2 RAM
  5. USB host
  6. Micro SD slot
  7. Support for Arduino (ATmega32U4)

 2,139.00

(inc GST)

₹ 1812.71 (+18% GST extra)

Out of stock - Join the waitlist to be emailed when this product becomes available

Category: Development Board/Kit

Note: We have discontinued this product.

LinkIt Smart 7688 Duo is an open development board compatible with Arduino Yún sketches, based on the OpenWrt Linux distribution, MT7688, and ATmega32u4. The board is designed especially to enable the prototyping of Rich IoT Application for smart house or office. Since it is compatible with Arduino, this allows you to use different features from Arduino Yún and LinkIt Smart 7688 Duo, which will help you build rich applications based on various, robust, and compiled Arduino Yún sketches. The board offers you memory and packet storage to enable robust video processing. The platform also offers options to create device applications in Python, Node.js, and C programming language.

LinkIt Smart 7688 duo is a co-design product by Seeed Studio and MediaTek. It brings together the parties’ knowledge in open hardware and industry-leading reference designs for IoT devices to create this powerful development board.

Note (important)

In order to protect the product from improper operation, please pay attention to the below notes.

  1. Choose a more reliable power adapter with a stable output.
  2. Recommended conditions of power input source for 7688:

a. The overshoot voltage of power input should not over 5.5.

b. The voltage wave should be within ±100mV of rated voltage.


Features:

  1. 580 MHz MIPS CPU
  2. Single input single output(1T1R) Wi-Fi 802.11 b/g/n (2.4G)
  3. Pin-out for GPIO, I2C, SPI, SPIS, UART, PWM, and Ethernet Port
  4. 32MB Flash and 128MB DDR2 RAM
  5. USB host
  6. Micro SD slot
  7. Support for Arduino (ATmega32U4)

Useful Links:

Tutorial

Openwrt

MediaTek LinkIt? Smart 7688 Resources


Project Links:

Energy Planner


Package Includes:

1 x LinkIt Smart 7688 Duo

MPU

Chipset: MT7688AN
Core: MIPS24KEc
Clock speed: 580MHz
Working voltage: 3.3V

MCU

Chipset: ATmega32U4
Core: Atmel AVR
Clock speed: 8MHz
Working voltage: 3.3V

Memory

Flash: 32MB
RAM: 128MB DDR2

Power Source

USB Power: 5V (USB micro-B)
VCC: 3.3V (Pin Breakout)

GPIO

Pin Count: 3 (MT7688AN)
24 (ATmega32U4)

Voltage: 3.3v

PWM

Pin Count: 8 (ATmega32U4)
Voltage: 3.3v
Max. Resolution: 16 bits (customizable)

ADC

Pin Count: 12 (ATmega32U4)
Voltage: 3.3v

External Interrupts

Pin Count: 8 (ATmega32U4)

SPI/SPIS

Set count: 1 (ATmega32U4)
Pin numbers: S0, S1, S2, S3
Max. Speed: 4 MHz

I2C

Set count : 1
Pin numbers: D2, D3
Speed: 400K

UART Lite

Set count : 1 (ATmega32U4)
1 (MT7688AN)

Pin numbers: P8, P9 (MT7688AN)
D0, D1 (ATmega32U4)

Max. Speed: 0.5 Mbps (MT7688AN)
0.5 Mbps (ATmega32U4)

USB Host

Set count :1 (MT7688AN)
Pin numbers: P6, P7
Connector type: Micro-AB

Communication

Wi-Fi: 1T1R 802.11 b/g/n (2.4G)
Ethernet: 1-port 10/100 FE PHY
Pin numbers: P2, P3, P4, P5

User Storage

Micro SD
SDXC

Length (mm)

56

Width (mm)

26

Height (mm)

18

Weight (gm)

14

Shipment Weight

0.05 kg

Shipment Dimensions

7 × 4 × 2 cm

6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.


What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Hardware Schematic File

Manual

How to flash the firmware via a USB drive

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