3-Channel Relay Expansion Board Designed For Jetson Nano, Optocoupler Isolation, High Quality Relay
Make: WaveShare Electronics Co.
SKU: 2472
Availability: IN STOCK

₹1,792.42 inc. GST
Ex GST: ₹1,519.00
Qty:
 


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  • Quality 3-Ch Relay Expansion Board Designed For Jetson Nano, Optocoupler Isolation It will enable your Jetson Nano to control high voltage electrical appliances. 

     

    • Works with both 4GB and 2GB jetson nao variants
    • Standard 40PIN GPIO header, directly pluggable onto the Jetson Nano
    • Incorporate quality relay component, max load: ≤5A 250V AC or ≤5A 30V DC
    • Optocoupler isolation, prevent interference from the high voltage circuitry
    • Indicators for monitoring the relay operating status
    • Control pins of relays are configurable via jumpers
    • Acrylic bottom panel, isolating the Jetson Nano from the relay expansion board
    • Download Schematic Diagram

     

    Channel BCM Description
    CH1 P21/P16 Channel 1
    CH2 P20/P19 Channel 2
    CH3 P26/P13 Channel 3

     

    Download Demo Codes

    Open a terminal, download the demo codes and unzip it

    sudo apt-get install p7zip
    wget https://www.waveshare.com/w/upload/f/f8/3-ch_Realy_for_jetsonnano.7z
    7zr x 3-ch_Realy_for_jetsonnano.7z -r -o./3-ch_Realy_for_jetsonnano
    cd 3-ch_Realy_for_jetsonnano
    

    Testing

    Hardware configuration: set the jumpers on D21, D20, D26 (default setting) Go to the directory 3-ch_Realy_for_jetsonnano and run the following commands:

    sudo python test.py
    

    Expect result: The Relay channels onboard are toggled and the LEDs indicate according to the status of the channel. You can press Ctrl+C to

    Web Control

    The example use python Web framework to control the Relay board.
    Open a terminal and run the following commands:

    sudo apt-get install python-bottle
    cd python-bottle
    sudo python main.py
    

    Open a chrome browser, and go to page [IP of Jetson nano ]:8080.
    for example: 192.168.1.11:8080
    Then you can click the icon on the Webpage to troggle the relay.


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