[問題] DIY 22AWG充電線 安全嗎？
micro USB ════2C電線═══USB
DIY USB充電線，把micro USB pin2, pin3直接短路
實測結果
D+及D-沒短路 充電電流0.2A
D+及D-短路 充電電流0.9A
用的線材是 LL85694 CSA TYPE AWM I A/B 80 Celsius FT1 2X0.325mm (22AWG)
300V WU-LI L.E
所以這樣夠安全嗎？
安全電流值是這樣算嗎？
8A x 0.5(校正係數) = 4A
https://goo.gl/igWNZ4
https://en.wikipedia.org/wiki/USB
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