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Arduino Uno R3的5V輸出電流

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發表於 2017-6-23 11:44:15 | 顯示全部樓層 |閱讀模式
如題,Arduino Uno R3的5V輸出電流是多少呢?

以下是官網針對電源供應作出的說明:

5V. This pin outputs a regulated 5V from the regulator on the board.
The board can be supplied with power either from the DC power jack (7 - 12V), the USB connector (5V), or the VIN pin of the board (7-12V).
Supplying voltage via the 5V or 3.3V pins bypasses the regulator, and can damage your board. We don't advise it.

3V3. A 3.3 volt supply generated by the on-board regulator. Maximum current draw is 50 mA.

這樣的話5V輸出的電流是取決於甚麼呢???

有最大上限嗎??

謝謝
發表於 2017-6-23 18:09:58 | 顯示全部樓層
當然是你負載的需求啊 V=IR
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