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归一化植被指数测量仪
- 随着精准农业的发展,农业种植和农业研究人员需要一种手持式NDVI测量仪,以便对农作物长势进行定量测量。本文讨论了一种手持式NDVI测量仪的完整设计过程,详细论述了设计原理,并给出了详尽的单片机程序、设计电路原理图及PCB图。该NDVI测量仪采用太阳光作为光源,光电探测器采用滤光片和光敏二极管实现,用AT89C51单片机控制。其具有结构简单、成本低、轻便、低功耗的特点。-With the development of precision agriculture and farming, and a
Capacitance_meter.rar
- 一个基于89S52的电容表(原理图+PCB+源代码+实物照片),89S52-based capacitive Table (Schematic+ PCB+ Source code+ Kind photos)
AD0809.rar
- AD0809制作的简单数字电压表,文件中包含仿真图,pcb图以及c程序,便于学习。,AD0809 produced by a simple digital voltage meter, the document contains the simulation map, pcb diagram and c procedures, to facilitate learning.
rongyangyi
- 溶氧仪的电路设计图,内含有电路图PCB以及解释等等。-Dissolved oxygen meter circuit design, PCB contains circuitry and so forth to explain.
DDSIY23-01NX
- 一部完全成功的电能表,包括电路,pcb,对电能表设计很有帮助.-A complete success of the energy meter, including the circuit, pcb, helpful to the energy meter design.
adc89c52-PCB
- 简易数字电压表可以测量0~5CV的8路输入电压值,并在4位LED数码管上轮流显示或单路选择显示。测量最小分辨率为0.019V,测量误差约为0.02V。 -Simple digital voltage meter can measure 0 ~ 5CV 8-way input voltage value, and the four LED digital tube display or one-way rotating choose to display. Measuring a minim
pcb89S52
- 强!自制电容表的源程序和PCB图,很多贴片电容都没有标明电容值,而我又舍不得扔了它们;自己做电路玩时,经常看到一些废电路板上有很多贴片电容,可以拆下来用,但是却看不到容量,很郁闷。所以我决定做一个电容表来测试它们的容量。 我用单片机8952和电压比较器339做了一个简单的电容容量测量表,参数大致如下: 电容测量范围为1pF-9999.99uF,最小分辨力为1pF。分为5个量程,可以自动切换量程,也可手动切换。 另外,有简单的频率计功能,能测量0-60MHz的数字信号频率(TTL电平);还可以产生
sorat
- Simple Speed meter PCB & design
ac-volt-pcb
- volt meter PCB 16f676
pinliji
- 频率计的设计,包括代码、protel原理图和pcb图,pdf原理图。-Frequency meter design, including code, protel schematic and pcb map, pdf schematic.
_prj_freq_comm
- 电子系统设计实例 频率计 包括:设计说明,pcb布线和C语言源程序-Frequency meter
DDSFI-PCB
- 单相多费率表PCB图,很详细可以直接设计产品。- Single Phase Multi-tariff Electronic Meter for PCB
DDSFI
- 单相复费率表元件清单,原理图和PCB图也已上传请网友仔细查看我的前两次上传。-Single Phase Multi-tariff Electronic Meter for BOM
ca
- 数字频率计设计(PCB图+电路图+源程序)-课程设计,频率计的硬件电路是用Protel绘图软件绘制而成,软件部分的单片机控制程序,是用汇编语言编写而成。由于本设计采用了模块化的设计方法,具有性能优良,精度高,可靠性好等特点,提高了测量频率的范围。-Digital Frequency Meter (PCB schematic diagram++ source code)- course design, frequency of the hardware circuit is drawn by us
zl
- zl电感电容电解电容测量仪电路原理图pcb-zl electrolytic capacitor meter LC circuit diagram pcb
VU-back
- This project is an Audio level meter. the project design in Protel 99se and could be open with Protel 99se http://www.altium.com/community/downloads/en/legacy.cfm The project include schematic and PCB ready to build. I wish you love it
Frequency_Metr
- frequnce meter schematic+pcb+proteus+ c source file
At89s52-frequency-meter
- 基于单片机的频率计,能自动转换量程,以led只是不同的量程,以共阴数码管显示频率值,能区分是否需要小数点,附带pcb和仿真文件,已经做出过实物-Microcontroller-based frequency meter, automatic conversion range, led just different frequency range, common cathode digital tube display value, can distinguish whether the deci
When-billing-meter
- 自制电表分时计费的流程, pcb原理图,程序及使用过程中的注意事项-The self-made electric time-sharing charging process, PCB schematics, procedures and matters needing attention in the process of using
STM32原理图库和PCB库
- 基于MODBUS协议的智能电表数据采集传输设计,原理图库和PCB库(Design of data acquisition and transmission of intelligent meter based on Modbus protocol, schematic library and PCB Library)