You'll find a prosperity of power meters in on-line suppliers but many them are reasonably cheap and offer you comparable features. 多谢 那是不是可以理解为在控制器方面两个参数可以看做是同一指标了呢？即主控芯片所有的获取的能量最终都是以热量消耗掉了 The old fashioned approach to energy-info collection is always to manually study meters after weekly or when a month. This is quite a chore... https://energy-monitoring26849.fare-blog.com/34127275/how-energy-innovation-can-save-you-time-stress-and-money