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The amount of customer flow in actual operation of shopping malls and supermarkets directly determines the sales of a shopping mall or supermarket. In today's rapidly developing retail industry, the t...
When making a perpetual calendar, the function fput() keeps not popping up, and I don't know why?int fputc(int ch, FILE *f){/* Send the Printf content to the serial port*/USART_SendData(USART1,(unsign...
The component definition is as follows component jishuqi port(clkr:std_logic; outer:out std_logic; buf :inout std_logic_vector(7 downto 0)); end component; There are no other errors, except for the po...
Work location: Caohejing, Shanghai Job nature: Full-time 1) Bachelor degree or above, major in electronics, communications or computer science. 2) Experience in embedded system driver development for ...
When a low-frequency signal is transmitted over a short line, its reflected power wave is ignored and only the incident power wave is counted. If the terminal is open, where does the incident wave go?...
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[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]
In recent years, the development of automotive batteries has become a focus of attention. Compared with other rechargeable batteries, lithium-ion batteries have the advantages of high specific ene...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]