Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\20911.net\includes\db.inc.php on line 67
Database error: Invalid SQL: select count(id) from pwn_comment where pid='3830' and iffb='1'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where pid='3830' and iffb='1') called at [D:\wwwroot\20911.net\includes\db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where pid='3830' and iffb='1') called at [D:\wwwroot\20911.net\comment\module\CommentContent.php:65] #2 CommentContent() called at [D:\wwwroot\20911.net\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\20911.net\comment\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\20911.net\includes\db.inc.php on line 80

Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\20911.net\includes\db.inc.php on line 67
Database error: Invalid SQL: select * from pwn_comment where pid='3830' and iffb='1' order by id limit 0,10
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where pid='3830' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\20911.net\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where pid='3830' and iffb='1' order by id limit 0,10) called at [D:\wwwroot\20911.net\comment\module\CommentContent.php:167] #2 CommentContent() called at [D:\wwwroot\20911.net\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\20911.net\comment\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\20911.net\includes\db.inc.php on line 80
 客户点评-DS18B20 Is A Digital Interface Temperature Sensor From Maxim Integrated. It Has Only One Wire Digital Knowledge Enter Output, With Two Additional Provide Voltage Pins. Digital Temperature Resolution I世界杯2022几月份开始_2022世界杯赛程-世界杯资讯
 
 
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发布于:2021-8-26 21:14:20  访问:67 次 回复: 篇
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DS18B20 Is A Digital Interface Temperature Sensor From Maxim Integrated. It Has Only One Wire Digital Knowledge Enter Output, With Two Additional Provide Voltage Pins. Digital Temperature Resolution I
DS18B20 is a digital interface temperature sensor from Maxim Integrated. It has only one wire digital knowledge enter output, with two additional provide voltage pins. Digital temperature resolution is choose-in a position between 9 to 12-bit. Inside these 12-bit digital information, it consists of signed worth, decimal temperature worth and a 4-bit fraction numbers. A temperature studying from DS18B20 strobe-sort. Utilizing only one wire digital data line, we are able to use a number of devices on this single wire. Each gadget is recognized by its serial number and household code. Inside three pins of this machine, the info DQ pin is open-drain. Hence it wanted to drag up excessive via a resistor about 4.7 kOhm of resistance. In some case, it does not require VDD. Using the OneWire library developed by an author on Github, https://godotengine.org/qa/index.php?qa=user&qa_1=pantsjason92 reading the device ID and temperature from this system household save lots of time. This library enable us to search for ROM. ROM identifies the units join on one wire bus. So we can use as a lot as one wire units on a single line. There are various operate that I do not record them here. The example packages come this system might explain so much about the general processes.
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