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https://hanzama.x0.to/2020/07/22/iot-development-kit-internet-watch-which-automatically-notifies-line-of-the-risk-of-heat-in-the-raspberry-pi-and-python/
Raspberry PiとPythonでつくる、熱中症の危険度をLINEに自動通知するIoT開発キット(INTERNET Watch)