The company I'm working for now is quite strange. When they have something for me to do, they rush me to death. After the circuit and board are drawn, the various processes are delayed to death when s...
All electronic products have their design, development and production processes closely related to their test and measurement equipment? For all electronic products, the purpose of test and measuremen...
I used a relay to switch the positive pole of the 24V power supply. After using it for a while, I found that when I disconnected the relay voltage, the relay was electrocuted but not disconnected.
The...
In the field of security, the traditional transmission in the network field is through wired networks. The current popular way is to use WiFi wireless network. The embedded interfaces include RJ-45, U...
How to use transistors and MOS tubes to control the switch of negative voltage, for example, -10V input, I want to use a microcontroller to control the -10V output, how to achieve it, is there any rec...
The sampling circuit has an analog signal input, a control signal input and an analog signal output. The function of this circuit is to receive the input voltage at a certain specified time and ma...[Details]
1. Background Recently I have used low power mode - standby mode and RTC wake-up, so I reorganized RTC and sleep mode - standby mode. 1.1 What is standby mode? Standby mode: Based on the CortexTM...[Details]
Equivalent circuit of parallel resonant transformer
Figure 1. Equivalent circuit of parallel resonant transformer
The equivalent circuit of the parallel resonant transformer is shown in Figure...[Details]
At present, the global medical electronics industry is gradually showing an attractive development prospect, and the speed of product replacement is constantly increasing. At the same time, due to ...[Details]
Although LG had previously announced that it would commit to bringing both AirPlay 2 and HomeKit support to certain 2018 TV models, LG now says it has no plans to do so. LG recently brought the App...[Details]
The so-called butterfly effect, the impact of the Russia-Ukraine conflict on the global automotive industry may come soon. According to previous reports by CCTV Finance, the relevant material resourc...[Details]
Viruses spread in plants cause spots, chlorosis, and even necrosis on leaves. It is usually too late to treat these diseases when they cause visible damage to plants. A more effective way is to monito...[Details]
When measuring resistance with a multimeter, you should pay attention to the following matters: (1) Select the appropriate magnification gear and make the pointer as close as possible to the center o...[Details]
Introduction: Several precise delay programs for 51 single-chip microcomputers: In the calculation of precise delay, the most easily overlooked part is the delay outside the calculation loop. In situ...[Details]
01 Introduction to MCU External Interrupts The so-called external interrupt is an interrupt caused by an external signal, such as the level change (high level, low level), edge change (rising...[Details]
The registration for the first "Core Innovation Cup" Future Automotive Human-Computer Interaction Design Competition for Colleges and Universities, jointly sponsored by the Automotive Electronics Ind...[Details]
The U.S. Department of Commerce has launched a heavy-handed attack on Huawei, upgrading its export ban. In addition to TSMC's suspension of orders from Huawei's HiSilicon from May 15, previous orders...[Details]
On June 25, Zeng Yuqun, chairman of CATL, revealed at the Chongqing Auto Show that in addition to all-solid-state batteries and semi-solid-state batteries, CATL is also working on condensed-state bat...[Details]
According to a report from AutoDongxi on June 26, Continental's sixth-generation millimeter-wave radar sensor products entered mass production in the first quarter of this year, including two produ...[Details]
For some state collections, use enum instead of #define to define them as much as possible.
like:
enum {OFF = 0, ON = 1};
Far more
#define OFF 0
#define ON 1
good.
The compilation effect ...[Details]
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