前言小夜灯内置可充电锂电池，如1600mAh、1800mAh、200mAh等容量，支持通过USB接口充电，充电电压通常为5V 。续航时间因使用模式而异，正常使用可达30天以上，待机时间可达90天 。小夜灯的额定功率普遍较低，通常在0.4W至0.5W之间下图是一台小夜灯，刚出世时一身 ...

I 2 C as many of you know, is a simple serial interface for many peripheral devices to micro controllers, but it can quickly become confusing to people who may not be accustom to it. Because of that, ...

It’s a well-known fact that all devices in a system need some kind of communication method to interact with each other inorder to maintain proper functioning of the whole system. In practice we can ...