Take a target position, at 70m away from the target position, if the speed is greater than 6m/s, an alarm will be given; at 50m away from the target position, if the speed is greater than 5m/s, an ala...
Hi guys, I am working on the GPRS part of SIM300. When I use the HyperTerminal to set the module to access the Internet, there is a problem. My settings are as follows: AT+CGCLASS="B" OK AT+CGDCONT=1,...
I haven't watched Korean dramas recently. I was a little disappointed with Korean dramas after watching "IRIS2". Recently, I suddenly saw "Descendants of the Sun" and thought it was pretty good. It's ...
[font=微软雅黑][size=4][color=#000000]EMC, including EMI/ESD problems, is usually 80-90% related to grounding design. The most prone to EMI/ESD problems are the so-called analog, digital and power groundi...
Strongman: Hello, I want to ask a question. Mobile customer service: Please tell me. Strongman: I have a card that was eaten by my cat. Can I use it after I take it out? Mobile customer service: Then ...
I want to intercept the debugging information that RETAMALMSG outputs to the serial port, save it in a file, and then display it on an interface I define. It's a bit similar to the function of DEBUGVI...
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]