When measuring the magnetic resistance impedance value, the first test was more than 100K. After exchanging the multimeter probes, the test result was a few M. What caused this?...
Updated: February 1Development Platform Application Guide / X-NUCLEO IKS01A3 Motion and Environmental Sensor Development Platform Sublibrary:1.Document Introduction: Introduction to X NUCLEO IKS01A3 o...
Principles of Operating Systems Huazhong University of Science and Technology (Su Shuguang) : https://training.eeworld.com.cn/course/5841The main contents of "Operating System Principles" include: pro...
This power supply explanation takes a 13.2W power supply as an example
Input: AC90~264V
Output: 3.3V/4A
SchematicThe transformer is the core of the entire power supply, so the calculation and verifica...
Peak pressure
The peak pressure plus the average pressure of one production (this pressure can be found in the production data) is the instantaneous maximum value of the pressure allowed to be...[Details]
On August 11, according to the official news released by Hefei Economic and Technological Development Zone, the automotive-grade domain controller AD1 for the L4 autonomous driving market was succe...[Details]
How important is takeaway food to modern people’s lives? One scene is the most direct example. When a group of takeaway delivery guys rode electric bikes in the 70th anniversary National Day parade, ...[Details]
Correct operation method of electronic dynamometer 1. First, turn on the power. After turning on the power switch, the power indicator light will turn on. 2. You need to wait for 15 minutes for the d...[Details]
This paper designs a multifunctional, efficient, low-power, and safe portable mobile power supply to meet outdoor needs, which will have great practical value.
The circuit system design discus...[Details]
When the flow rate of the measured medium in the target flowmeter pipeline is zero, the instantaneous flow value indicated by the flowmeter is not zero. The main reasons for this phenomenon are: a. Th...[Details]
1. Add new configuration options for the development board in the top-level makefile (the red part is the code that needs to be added, the same below) smdk2410_config:unconfig @$(MKCONFIG) $(@:_con...[Details]
0 Introduction
In many fields such as environmental meteorology, household appliances, industrial equipment, and health care, air velocity is an important detection parameter, especially i...[Details]
Network analyzer is a comprehensive microwave measuring instrument that can perform scanning measurements in a wide frequency band to determine network parameters. The full name is microwave network ...[Details]
In the single-chip microcomputer application system, there are two common display methods: static display and dynamic scanning display. The so-called static display means that each display must occupy...[Details]
"Since the second half of 2015, the 1,500-volt system has been frequently mentioned by people in the photovoltaic industry, and some companies have even launched 1,500-volt products in advance." Ji...[Details]
SPI is a very simple and easy-to-use full-duplex master-slave communication protocol. This article uses two STM32F429 chips, one as the host and the other as the slave to complete the SPI full-dupl...[Details]
1. Set BOOT0 to 1 and BOOT1 to 0 BOOT0 is not connected to a short-circuit block and is at a high level. 2. Connect the computer and the circuit board via the USB to serial port module The GND of t...[Details]
In the current mobile phone market, how many users want to buy Huawei's new 5G phone? Leave a message below to choose your side! As the best domestic mobile phone manufacturer, Huawei is more than ju...[Details]
Analog electronics
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