用AVR的
I2C读写24C02
先在24C02中写入一段数据,然后断电,再送电,将EEPROM中的数据发送给PC机-24C02 using AVR I2C-read the first paragraph in the 24C02 to write data, and power outages, sending electricity, EEPROM data will be sent to the PC,
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001077s ]
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:0.071111s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001090s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001283s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001046s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003322s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000937s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.005060s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.026506s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001715s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 318799 [ RunTime:0.361648s ]
