Workflow-CLI.md

Using mpremote

Make sure your board is connected via USB. It should not be opened by any serial monitor or other tool. Run these commands on your development machine:

# Install mpremote utility
pip3 install --upgrade mpremote

# Copy the example files to the device
mpremote cp main.py :

Note

If you have any issues with this, please check out the mpremote documentation

Then, open MicroPython REPL:

mpremote repl

Press Ctrl+D to restart your app.

The device should get connected in a few seconds:

      ___  __          __
     / _ )/ /_ _____  / /__
    / _  / / // / _ \/  '_/
   /____/_/\_, /_//_/_/\_\
          /___/

Connecting to WiFi_SSID... OK: 192.168.1.123
Connecting to MQTT broker...
Connected to Blynk.Cloud [secure]

Create OTA package

The cfg/fw.json will be used to identify the firmware version and type. Firmware type should match the Blynk Template ID, unless:

• You have a single product that requires differant firmware upgrade packages
• You have multiple products that use a single firmware

python3 _extra/tools/upy-pack.py -o app_ota.tar.gz main.py cert/ca-bundle.pem `find ./lib -name '*.py'`

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Further reading

• mpremote reference
• Blynk.Edgent cookbook