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スターツアップガイドのトラブルシューティング #8

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dynamis opened this issue Sep 17, 2019 · 0 comments
Open
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@dynamis
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dynamis commented Sep 17, 2019

ミスりやすいポイントの追記などをしていく

  • about:flags で有効化していないケース
    • navigator.bluetotth オブジェクトない
  • https ではなく http 接続してしまっているケース
    • navigator.bluetotth オブジェクトない
  • IObit ブレイクアウトボードを使って 0 版のブザーを有効にしているケース
    • Lチカのつもりがブザーがカチカチ鳴るだけで LED が光らない
    • https://www.kittenbot.cc/products/kittenbot-iobit-v2-0-for-microbit (v2.0 のページだが v1.0とも共通多し、IObit1.0 説明ページどこか不明)
      • If P0 is used as a normal IO port, the buzzer toggle switch must be turned off, otherwise the buzzer will sound or the IO read value will be abnormal.
  • and more...

microbit 利用時の一般的な注意とか FAQ

  • When using the Micro:bit power supply, IObit IO port drive capability is very weak, IO port current is less than 200mA, please do not connect high current devices (such as large servo MG995, DC motor), otherwise it will burn out the Micro:bit , you must fully understand before using what the device current conditions needed
  • When using a 5V external power supply, you can drive multiple small servos, but please note that the maximum current is 1A!
  • Use the shared pin with the Micro:bit dot matrix (such as 3, 4, 5, 6, 7, 8, 9, 10, 11), remember to disable the dot matrix screen on the software, otherwise it will be a bit of a screen burst
  • The USB port allows a maximum input current of 1A.
  • Do not place it on a metal surface to avoid short circuit
  • and more...
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