It isn’t that hard to make an electronic rain gauge if you have a steady source of power or you don’t mind changing batteries ...
So, what do you do when your Arduino project needs to operate in a remote area or as a portable device? There are LiPo battery shields available, and although they may work well, recharging ...
在工厂自动化中,采用SPE技术可降低布线成本、节点成本及能源消耗,同时透过一对线进行数据通讯。此外,轻松将旧的 RS485 设备升级成为这项技术,更进一步凸显 Arduino UNO SPE扩充板的价值。