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Grove Breakout for LinkIt Smart 7688 Duo |
Grove Breakout for LinkIt Smart 7688 Duo |
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:::dangernote Due to the closure of MediaTek Labs, all related links have become invalid. If you need to download relevant files, please search for them on the following link: https://github.com/MediaTek-Labs. :::
Grove Breakout for LinkIt Smart 7688 Duo is a grove port integrated and a feature expansion board for LinkIt Smart 7688 Duo[1] development board. This breakout board will save a lot of work for quicker prototyping, by the simplified wiring procedure, even a beginner who has little electronic knowledge can start a project quickly. It supports serial buses like I2C, UART and provides access to reserved original pins of LinkItTM Smart 7688 Duo.
[1] LinkItTM Smart 7688 Duo is an open development board based on the OpenWrt Linux distribution, MT7688 and ATmega32u4. The board is designed especially to enable the prototyping of Rich Application IoT devices for Smart-Home.
- Grove interfaced, makes wiring easier.
- More Grove ports, more expandable to rich Grove modules.
- Cost-effective.
:::tip :::
- IoT/Gateway Device.
- Robotics
- Smart multimedia devices
- Teaching and learning
- Input voltage: 5.0V (With USB Power port)
- Operating voltage: 3.3V
- Debug pins connect with MT7688, other pins connect with ATmega32U4.
:::note As you need to plug LinkIt Smart 7688 Duo on this breakout, align the side with USB micro type-B of LinkIt Smart 7688 Duo to the side with silkscreen Host of Grove Breakout for LinkIt Smart 7688 Duo. ::: Grove interface
Materials required
- LinkIt Smart 7688 Duo × 1
- USB cable (type A to micro type-B) × 1
- USB to Serial adapter × 1
- Jumper wires × 3
- Grove - Buzzer × 1
Make some sound with a Grove Buzzer
:::note 1. You can find Pin 8, Pin 9 and Pin GND close to the port to be connected LinkIt Smart 7688. 2. You can plug jumper wires into MT7688 UART2 port instead of soldering them to Pin 8, Pin 9 and Pin GND. ::: 2.Open a console after connecting an USB to Serial adapter to LinkIt Smart 7688 Duo.
3.Connect all parts as shown below:
:::note Plug Grove - Buzzer into port D4. :::
:::note Following steps are carried out on embedded OS(OpenWRT). ::: 6.Type pip install pyfirmata into console and press Enter to install python library pyfirmata.
7.Create a file named buzzer.py with typing vi buzzer.py in console, copy the code below into it.
from pyfirmata import Arduino, util
from time import sleep
board = Arduino('/dev/ttyS0')
print "Start blinking D4"
while True:
board.digital[4].write(1)
sleep(0.5)
board.digital[4].write(0)
sleep(0.5)
8.Save buzzer.py and type python buzzer.py to run the example code.
9.Now you will hear the buzzing.
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