8000 QR code · Issue #91 · clydebarrow/esphome · GitHub

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QR code #91

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nagyrobi opened this issue Apr 3, 2024 · 0 comments

nagyrobi commented

•

add qr-code-component to be usable as src in img and animimg widgets.
extend it to be able to generate QRs at runtime from strings.

Perhaps as a LVGL sub-module.

Both ESPHome and LVGL use nayuki's library to generate QR codes, but ESPHome doesn't seem to be able to do it at runtime from a lambda:

qr_code:
  - id: homepage_qr
    value: !lambda 'return to_string("esphome.io");'

results in:

qr_code: [source config/test.yaml:112]
  - id: homepage_qr

    This option is not templatable!.
    value: !lambda |-
      return to_string("esphome.io");

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