Recently, the teacher gave me two sets of boards, TWR K40 and TWRK 60, for research. When I was working with its TWRK40X256QSDLAB-MQ3.6, when I used IAR Embedded workbench for ARM 6.21 software to fla...
I'm really sorry. Due to work reasons, my supervisor asked me to switch to optical design projects, which directly resulted in no time to do this DIY. Now I'll put up the schematic diagram I drew yest...
[i=s] This post was last edited by lb8820265 on 2017-5-11 22:32 [/i] [align=left][font=微软雅黑][size=3] I'm sorry for not updating for a long time. The quadcopter is still going on and the hardware is be...
I want to ask if the first chapter of all books is about the basic knowledge of hardware. Do I have to learn this before I can continue to learn? Because for beginners, the basic knowledge seems too b...
Clock circuit selection principles 1. When multiple clock signals of different frequencies are required in the system, programmable clock chips are preferred; 2. When a single clock signal is used, a ...
Recently, we were targeted by an AD company, and they found our company's information accurately. I am curious about how the AD company identified our company.The Internet service provider of the park...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
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