[i=s]This post was last edited by hujj on 2019-10-29 13:01[/i]The board for this review was obtained from the EEWorld event and provided by DFRobot. Product link: http://www.dfrobot.com.cn/goods-1317....
Is there any sensor that can monitor the minimum distance of about 1cm? Please give me some advice~~~~
The sensor is required to be as cheap as possible....
Some experience in PCB design: 1. After purchasing the components, it is necessary to determine the package according to the size of the components. It is best to draw the package of the components af...
[align=left][font="][size=10.5pt][size=5][color=#000000][b]I have waited for so long and finally today![/b][/color][/size][/size][/font][/align][align=left][b][font="][size=10.5pt][size=6][color=#ff00...
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Some experience we have accumulated when debugging a system using Keil C
1. Since Keil C does not support Chinese very well, the displayed cursor will be inconsistent with the actual cursor positi...[Details]
1. Introduction
The fully digital control system based on fieldbus replaces the existing analog signal cables with high-capacity fieldbus networks, thereby greatly reducing the cost and wo...[Details]
Modern smartphones are sleek and powerful, and while the size of the phone varies depending on the model, in general, a state-of-the-art device packs a lot of features into a package that measure...[Details]
This design uses AT89C51 microcontroller as the core and 4*4 matrix keyboard as input to control the start, stop, speed and direction of the DC motor, completing the basic requirements and the requ...[Details]
Due to the actual needs of engineering, high-efficiency miniaturized ultra-wideband high-power microwave antennas have become a research hotspot. For high-power miniaturized antennas, the technica...[Details]
LED lighting
has become the focus of widespread attention for its high energy saving, long life and environmental protection. There are successful cases in the field of functional lighting in...[Details]
The popularity of microcontrollers and vehicle networking is continuing today and in the future as applications continue to expand. The microcontroller is the "brain" of the various electronic cont...[Details]