Hello everyone, the variables are defined as follows: char xdata ziku[] = {...} _at_ 0x0020; unsigned xdata int shuzu[] = {...}; unsigned xdata long ack; I would like to ask: Will the two xdata type v...
[Source: The Paper] After the Tianzhou-2 cargo spacecraft completed rendezvous and docking with the Tianhe core module, the next "highlight" of China's space station in-orbit construction mission will...
We have been studying NRF9E5 recently. We have made a RF transceiver system based on nrf9e5 and debugged the serial communication according to some existing programs. However, the following problems o...
[align=left][font=微软雅黑]I believe that many people are familiar with PCB circuit boards, and may often hear about them in daily life, but they may not know much about PCBA, and may even confuse it with...
The maximum voltage of CC1101 and CC2530 is written as 3.9V, and the working voltage is 1.8(2.0)~3.6V. So if the voltage is 3.7V, can it work stably? Is there any danger of chip damage? Or will the ch...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[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]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[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]
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 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
51mcu
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