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cpld
- 测量范围要求 1Hz-10MHz（输入信号幅度为0.5V-5V）。 基本性能要求 f为10MHz时，频率绝对误差不大于1000Hz； （高频精度） f小于1000Hz时，频率绝对误差不大于1Hz。 （低频精度） 提高性能要求 高频精度提高： f为10MHz时，频率绝对误差不大于100Hz。 低频精度提高：f小于1000Hz时，频率绝对误差不大于0.5Hz。 -Requirements of measuring range 1Hz-10MHz (input signal ra
rtc
- PXA255 CODEWARRIER Sorce for RTC 1hz & led on & o-PXA255 CODEWARRIER Sorce for RTC 1hz & led on & off
inlvjishuqi
- 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对0－250KHZ的信号频率进行准确计数，计数误差不超过±1HZ。-AT89S51 MCU using T0, T1 of the timer counter functions, to complete the input signal frequency count, counting the frequency of results by 8-bit dy
6-BIT-count
- 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对0－250KHZ的信号频率进行准确计数，计数误差不超过±1HZ。-AT89S51 MCU using T0, T1 of the timer counter functions, to complete the input signal frequency count, counting the frequency of results by 8-bit dy
interruput
- 利用定时/计数器T0从P1.0输出周期为1s的方波，让发光二极管以1HZ闪烁，设晶振频率为12MHz。 使用的是T0口在1方式下工作的-Use timing counter T0 from P1.0 output/1s of square wave period, let light emitting diode to 1HZ flashing, set crystal frequency for 12MHz. Use is T0 mouth in 1 mode
ad9851
- 数控长产正弦波，步进可达0.1hz+1602显示其频率及VP—P-NC produced a long sine wave, step up to 0.1hz+1602 show the frequency and VP-P
DDS_Controller
- DDS控制器，用Vc++编写的，调试通过，可设置频率分辨率1hz，频率大小可以自己设置-DDS controller, written with Vc++, debugging, can be set frequency. Resolution 1hz
flashlight11
- 80C51的红绿灯交替闪亮，模拟人行横道红绿灯控制： a.绿灯亮3s b.绿灯闪3下：1Hz c.绿灯闪5下：5Hz d.红灯亮7s e.反复a-d -80C51 traffic lights flashing alternately, simulation crosswalk traffic light control: (a) the green light 3s b green light flashing three times: the 1Hz c gre
89S52
- 89S52数字频率计程序，八位显示，频率范围1Hz-10MHz-89S52 digital frequency meter program, eight shows, the frequency range 1Hz-10MHz
main
- 1hz-50mhz frequency meter
FrequencyIndicator
- 本代码是基于IAR的MSP430的频率计设计，MSP430内部定时器TIMEA采用捕获周期计数法测频，测频范围1HZ~32K，精度为1HZ，并采用12864显示-The code is based on the MSP430 IAR frequency meter design, MSP430 internal timer TIMEA capture cycle counting method using frequency measurement, frequency measurement
6bit-Display-Counter
- 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对0－250KHZ的信号频率进行准确计数，计数误差不超过±1HZ。-Using AT89S51 microcontroller T0, T1 timer counter function, to complete the input signal frequency count, counting the frequency of results through
Inputcapture
- STM32的TIM3通用定时器 输入捕获法测量频率 精确到1hz-STM32 of TIM3 general-purpose timer input capture accurate method to measure the frequency 1hz
XIANHAOFASHENG
- 51单片机C语言编制的简易信号发生器，分别产生100hz,75hz,50hz,25hz,10hz,1hz信号，时间间隔为5秒。-Simple signal generator 51 microcontroller C language, and generate 100hz, 75hz, 50hz, 25hz, 10hz, 1hz signal interval is 5 seconds
shuzipinlvji
- 本数字频率计将采用定时、计数的方法测量频率，采用一个1602A LCD显示器动态显示6位数。测量范围从1Hz—10kHz的正弦波、方波、三角波，时基宽度为1us,10us,100us,1ms。用单片机实现自动测量功能。-The digital frequency meter will adopt the method of timing, counting measuring frequency, USES a model 1602 a dynamic LCD display 6 digits.
PINLVJI
- 基于430单片机的频率计设计,本程序实现了超低功耗的频率测量，测量范围：0~429MHz，分辨率：0.1Hz-430 microcontroller based frequency meter design, realized by the ultra-low power frequency measurement, measuring range: 0 ~ 429MHz, Resolution: 0.1Hz