交变电流的准确测量，你需要大量的阅读规律的间隔，是水管期间 （在您的案例的 1/60 秒） 的整数倍的时间段内。总结个人当前读数的平方。然后将划分得到的平均平方和，最后取平方根的总和。
采取的读数在固定的时间间隔，请调用在一个循环中直到阅读是到期） m
文 件 列 表
AKIM SENSÖR İNGİLİZCE TÜRKÇE Monitoring AC Current with Arduino and ACS712 - Arduino Forum_files akim1 111111 akimsensor.DSN akimsensor2.DSN Monitoring AC Current with Arduino and ACS712 - Arduino Forum.htm yeni.cpp.hex
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001367s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.109959s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001260s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002388s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001536s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.004499s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001275s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005703s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.015222s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001385s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 326728 [ RunTime:0.001243s ]
