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视觉暂留，编程从一个I/O口输出一扫频信号，驱动一支LED灯闪动，频率范围为10HZ~99HZ，扫描时间为30秒，在LED闪动期间观察，一旦发现无法识别LED灯...
视觉暂留，编程从一个I/O口输出一扫频信号，驱动一支LED灯闪动，频率范围为10HZ~99HZ，扫描时间为30秒，在LED闪动期间观察，一旦发现无法识别LED灯闪动时，按下按键K1，立即停止输出，并将此时的信号频率显示在数码管上，该信号的周期为测试者的视觉暂留时间。-Persistence of vision, programming from an I/O port outputs a sweep signal to drive an LED light flashing, the frequency range of 10HZ ~ 99HZ, scan time of 30 seconds, the LED flashing during the observation, once found it impossible to identify the LED lights flashing, press the key K1, immediate cessation of the output, and at this time the signal frequency displayed on the digital control on the test cycle of the signal" s persistence of vision time.
- 2022-08-24 14:54:10下载
- 积分：1
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在Proteu环境下的DS18b20测温软件与硬件设计.
在Proteu环境下的DS18b20测温软件与硬件设计.-Proteu environment in DS18B20 temperature measurement software and hardware design.
- 2022-06-01 15:40:59下载
- 积分：1
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音乐C程序 是一首优美的音乐，可直接下载到51单片机里演揍。...
音乐C程序 是一首优美的音乐，可直接下载到51单片机里演揍。-Music C program is a beautiful music, can be directly downloaded to the MCU 51 years played beat.
- 2023-07-21 17:20:03下载
- 积分：1
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12864 standard parallel port mode lit LCD display, adjustable display position
并口方式点亮12864规格的液晶显示器，显示位置可调-12864 standard parallel port mode lit LCD display, adjustable display position
- 2023-05-15 00:00:02下载
- 积分：1
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Bus line " digital temperature sensors are single
一线总线”数字化温度传感器是DALLAS最新单线数字温度传感器， 同DS1820一样，DS18B20也 支持“一线总线”接口，测量温度范围为 -55°C~+125°C，在-10~+85°C范围内,精度为±0.5°C。DS1822的精度较差为± 2°C 。现场温度直-Bus line " digital temperature sensors are single-DALLAS latest digital temperature sensor, with the DS1820, as, DS18B20 also supports" bus line " interface, measurement temperature range of-55 ° C ~+125 ° C, at-10 ~+85 ° C range, the accuracy of ± 0.5 ° C. DS1822 relatively poor for the accuracy of ± 2 ° C. scene straight temperature
- 2023-03-29 04:55:03下载
- 积分：1
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usbn9603 such as the transmission of the firmware
usbn9603等时传输的firmware-usbn9603 such as the transmission of the firmware
- 2022-03-17 10:37:44下载
- 积分：1
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SD2000 clock chip to read and write procedures
SD2000时钟芯片读写程序-SD2000 clock chip to read and write procedures
- 2023-04-28 00:15:03下载
- 积分：1
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MSP430单片机应用系统开发典型实例,430单片机的具体用法.
MSP430单片机应用系统开发典型实例,430单片机的具体用法.-MSP430 single chip microcomputer application systems development typical example of the specific use of single-chip microcomputer 430.
- 2022-05-26 05:49:23下载
- 积分：1
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cp2101 usb to rs232 Chip 开发工具
cp2101 usb to rs232 Chip 开发工具-cp2101 usb to rs232 Chip Tools
- 2022-10-02 16:30:03下载
- 积分：1
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the book an indispensable tool for embedded system
本书是嵌入式系统不可缺少的工具
- 2022-01-30 21:21:35下载
- 积分：1
