E-ink display with 1-click setup (OAuth2)

TRMNL · January 24, 2025, 6:31pm

hi everyone,

we built a native integration in Ruby using the Tempest OAuth2 specifications.

if anyone is interested in setting this up themselves, we make a device called TRMNL that lets you build any kind of e-ink dashboard you want with just HTML/CSS/JS.

anyway, the code is open source here (< 175 LOC for OAuth + forecast parsing):

github.com/usetrmnl/plugins

lib/tempest_weather_station/tempest_weather_station.rb

master

module Plugins
  class TempestWeatherStation < Base

    BASE_URL = 'https://swd.weatherflow.com/swd/rest'.freeze

    def locals
      { temperature:, forecast:, weather_image:, today_weather_image:, tomorrow_weather_image:, conditions:, humidity:, feels_like: }
    end

    class << self
      def redirect_url
        query = {
          response_type: 'code',
          client_id: Rails.application.credentials.plugins[:tempest_weather_station][:client_id],
          redirect_uri: redirect_uri
        }.to_query
        "https://tempestwx.com/authorize.html?#{query}"
      end

      def fetch_access_token(code)

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E-ink display with 1-click setup (OAuth2)

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