ACS712 电流传感器 ACS712 是基于霍尔效应的电流传感器。
简介 ACS712 框图: ACS712 引脚如下表,其中 I P IP IP和 I P − IP- IP−分别是待测电流的流入和流出引脚。 V C C VCC VCC和 G N D GND GND是模块供电电压, V I O U T VIOUT…
smart3d4.4.5 Don’t you hate it whenever you’re safely at home, and there’s no one else around to access your phone, and yet you still have have to unlock it whenever you want to use it? Android 5.0 Lollipop’s Smart Lock solves that. 每当您安全在家中时…