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:lol :lol :lol这样好 可以方便的查阅资料
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而且虽然C8051f功能比51强大很多,但是价格也贵很多,还是51划算,
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我选择第一个方案,因为比较普遍,而且关键性价比比较高
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用SHT21做一个干燥盒,另外带有温度显示,湿度显示的,外加定时的干燥盒,用mega16做控制,用SHT21做湿度的采集,
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好啊我也想要 我的邮箱805671073@qq.com
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我报名啦
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我的方案:LCD1602显示SHT10采集的温度和湿度,温度达上限,蜂鸣器报警,楼主,什么时候可以有那个芯片哦,我想试试啊
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// SHT10 温湿度写字节子程序
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
char s_read_byte(unsigned char ack)
{
unsigned char i,val=0;
DATA=1; //release DATA-line
for (i=0x80;i>0;i/=2) //shift bit for masking
{
SCK=1; //clk for SENSI-BUS
if (DATA) val=(val | i); //read bit
SCK=0;
}
DATA=!ack; //in case of "ack==1" pull down DATA-Line
SCK=1; //clk #9 for ack
_nop_();_nop_();_nop_(); //pulswith approx. 5 us
SCK=0;
DATA=1; //release DATA-line
return val;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// SHT10 温湿度传输其始子程序
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void s_transstart(void)
{
DATA=1; SCK=0; //Initial state
_nop_();
SCK=1;
_nop_();
DATA=0;
_nop_();
SCK=0;
_nop_();_nop_();_nop_();
SCK=1;
_nop_();
DATA=1;
_nop_();
SCK=0;
}
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// SHT10 温湿度连接复位子程序
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void s_connectionreset(void)
{
unsigned char i;
DATA=1; SCK=0; //Initial state
for(i=0;i
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参与,我以前就想搞这个了,现在有机会啦
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:'( :'( :'( :'( 看看到底好在哪里了
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总结的不错哈:lol :lol :lol
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好东西…………………………:Q :Q :Q
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怎么看不到元器件清单呢?
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力顶电子工程世界论坛!
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买这种板子只要7元,不做了
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还行吧,希望能多点
dddddd
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虽然经常陷入没有芯币的苦恼,不过也体谅管理员的苦衷,我也是:lol :lol
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:lol :lol 初到这里会好好的从里面学习东西,
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:lol :lol o 哦,看样子以后要活跃一些了
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请问怎样有芯币啊?