The one of installation example as of 2020 03 10 - 1ft-seabass/node-red-contrib-grove-base-hat GitHub Wiki

The article about a installation example as of 2020/3/10.

Configuration

  • Raspberry Pi 3B+
  • Raspbian image (Release date: 2020-02-13)
  • Raspberry Pi Imager

And this environment around

  • Windows 10
  • A general SD Card reader/writer
  • A general SD Card 16GB

Installing Raspbian to formatted SD card using Raspberry Pi Imager

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Raspberry Pi Downloads - Software for the Raspberry Pi

The Raspberry Pi image installation choosed "Raspberry Pi Imager" this time. This software is released recently. Read the detail usage refered to here official article.

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Launch Raspberry Pi Imager.

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Operating system chooses Raspbian Full. It is Released 2020-02-13 as of 2020/3/10.

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Click WRITE Button and wait for a while.

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Finished.

Setting on the first launch

Setting Raspberry Pi Configration

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Launch Raspberry Pi Configration from menu.

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  • SSH
    • Select to Enable
  • VNC
    • Select to Enable

Setting Welcome to Raspberry Pi flow

Setting some options such as "Set Country" , "Wi-Fi Setting" and "Password".

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Complete until "Update Software".

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Click Restart button at this window.

Setting on the second launch

Installing Grove Base Hat software

http://wiki.seeedstudio.com/Grove_Base_Hat_for_Raspberry_Pi/#installation

Installing Node-RED

Execute the bash command described in "Installing Node-RED".

https://nodered.org/docs/getting-started/raspberrypi

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Shutdown for setting

sudo shutdown -h now

Shutdown for setting Grove Base Hat as physical.

Equipping Grove Base Hat

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Prepare Grove Base Hat.

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Equiped Grove Base Hat in Raspberry Pi 3B+.

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And Connect Grove LED in D5 port.

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Launch Raspberry Pi 3B+.

Check Grove Base Hat libraries.

In first, check to enable working Grove Base Hat libraries.

grove_led 5

Execute the bash command to python Grove Base Hat library.

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Grove LED will work like this. the terminal will respond "Hat Name = 'Grove Base Hat RPi'".

Terminate the execution with Ctrl + C.

This check comfirmed that Grove Base Hat libraries are working.

Installing node-red-contrib-grove-base-hat

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Launch Node-RED. The current version is v1.0.4.

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Install node-red-contrib-grove-base-hat from the Manage Palette ( via. https://nodered.org/docs/user-guide/runtime/adding-nodes )

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Installed this node.

Import the sample flow

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Import the sample flow but it already set as D18.

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Adjust D5 in the detail node setting.

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Don't forget deploy.

Check the flow and Grove LED

Image from Gyazo

Click 1 and 0 inject nodes alternately.

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Grove LED will work like this. It sync with that click operations.

Done! This check comfirmed that Grove Base Hat libraries and node-red-contrib-grove-base-hat node are working.

And Also

Another pattern succeeded already.

  • Raspberry Pi 4B
  • Raspbian image (Release date: 2020-02-13)
  • Raspberry Pi Imager