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SD卡驱动
SD_CARD_TIMEOUT 当一个SD卡的操作超出时限,将导致返回错误和该标记被置位
SD_CARD_EXIST 当卡槽内插入了合适的卡体,不管是什么卡,都会使该位被设置;
2014-01-09 15:36:10
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键盘处理程序的任务是:确定有无键按下,判断哪一个键按下,键的功能是什么;还要消除按键在闭合或断开时的抖动。
2017-08-16 10:02:01
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在周二的拆解中,我们将打开一个无线灯,看看
是什么让它如此技术前进。
灯
该灯具是使用爱迪生螺旋配件的LED品种(灯泡的尖端处有带电连接器,而中性连接器本身是螺纹配件)。
2022-09-10 00:20:02
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编译完代码,就打开RTL图,看一下综合出来
是什么样的电路。
2022-09-13 18:20:02
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对被误删的文件,赤兔windows数据恢复工具的恢复效果比别的软件好很多;对于误格的分区,我们同时扫描FAT/ FAT32/ NTFS/ exFAT分区目录结构,不管原来分区是什么类型也能恢复出目录结构层次
2025-06-14 21:50:01
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communication between field instrument and RTU, the GPRS was used by the RTU to transmit data to the PC host computer
2013-11-07 06:56:01
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the different working modes of the traffic light through the interruption system of the single chip computer.At
2023-09-22 18:40:01
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multimeter in virtual/intellect digital-oscillorgaph was fulfilled, which was controlled by singlechip computer
2013-11-02 18:28:01
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increase substantially, the needed
control computation can easily go beyond the scope a modern computer
2019-09-04 11:23:09
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For this reason,this paper designs a fire alarm system based on STC89C52 single-chip computer and an
2023-09-21 09:00:01
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locomotives,a set of automatic deceleration device for bends is designed based on ATmega16 series single-chip computer.The
2023-09-21 17:40:02
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core,combined with AS13-TTL transmission module to design the communication between sensor and host computer
2023-09-22 20:40:01
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mobile phone APP control,which provides people with more comfortable experience and enriches human-computer
2023-09-25 18:40:01
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Taking computer Windows system as an example, the parallel data transmission method between single chip
2023-10-06 16:50:01
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by relay and programmable logic controller,a mine hoist control system based on STC89C52 single chip computer
2023-10-07 15:30:01
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In this design, AT89C51 single chip computer is used as the main control chip, temperature and humidity
2023-10-14 22:20:02
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变压器的零序保护的配置原则是什么?答:(1)中性点直接接地电网的变压器应装设零序(接地)保护作为变压器主保护的后备保护和相邻元件接地短路的后备保护。
2013-12-03 08:06:01
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弄了一点代码出来,放在那也没啥用,不如拿上来 给新手看看,一个任务调度的雏形是什么样子的~~~~~~~~~这些代码没有经过优化, 我只求实现任务切换的功能。
2014-01-17 04:01:15
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Profibus又是什么?与其它串行协议相比,它们的性能如何?适用于哪些应用?
2022-08-15 17:20:02
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一、ilink开发快是什么
ilink为用户提供成熟稳定,可管可控的软硬云通信链路服务系统。
2022-12-10 16:30:02
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