I recently participated in the school's electronic design competition, the topic was a simple wind tunnel, but I don't have the knowledge, so I turned to the masters of this site to teach me how to de...
[align=left][color=rgb(34, 34, 34)][font="][size=4]The transistor collector DC circuit is the circuit between the collector and the DC working voltage terminal. This DC circuit is the circuit with the...
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I would be satisfied if I could understand the data that is ultimately exposed to the air during a Bluetooth transmission, and then parse and understand it.
I searc...
Flower watering indicator
Author: Zhang Zezhong
Flowers are loved by everyone. Many people like to grow flowers. The flowers they just bought are gorgeous and colorful, but after a few days, the flowe...
How to understand the alarm performance of 14 or more half-cycles of arc faults in 1s in GB14287.4 "Electrical Fire Monitoring System Part 4: Arc Fault Detector"? How to understand the alarm performan...
Methods as below: 1. Turn on the oscilloscope, as shown in the figure, find MENU, click to enter, find the voltage multiple, as shown in the figure is x10 (the gear can be selected by yourself, as lo...[Details]
Today, solar energy has begun to shine: in many countries, solar energy is the lowest-cost energy option, both from a residential and commercial perspective. Even if external costs are not included...[Details]
The function of PLC automatic sequence is to control the equipment to work according to the pre-designed process flow. There are also several methods for writing the process of PLC automatic progr...[Details]
Earlier, there was news that some workshops of Foxconn's Shenzhen factory are about to enter the first stage of iPhone 13 proofing. It is understood that proofing is generally divided into desi...[Details]
SMIC said at its earnings conference that the 14nm process had entered mass production in the fourth quarter of last year, and the yield rate had reached the industry's mass production level. Custome...[Details]
Huawei Mate 40E Pro 5G has been officially launched on Huawei Mall. The new phone supports 5G full network access and is equipped with Kirin 9000L processor. 8+256GB is priced at 6499 yuan and will g...[Details]
Hyundai Motor, Hexagon Positioning Intelligence, Valeo and a major mobile network operator are showcasing a new technology at CES 2020. The system uses proprietary high-precision positioning (HPP) te...[Details]
Lithium-ion batteries are widely used in portable electronic devices, electric vehicles , and grid energy storage systems, but the electrolyte of traditional lithium batteries is an organic liquid, w...[Details]
1. Circuit composition of signal generator The circuit composition of the signal generator comes in many forms, generally including the following links: Basic waveform generation circuit: Waveform ge...[Details]
Since American users are accustomed to using contract phones, but American operators have not introduced Huawei's contract phones, it can be said that Huawei has encountered many obstacles when it wa...[Details]
Image processing generally refers to digital image processing. A digital image is a large two-dimensional array obtained by sampling and digitizing with a digital camera, scanner, or other device. ...[Details]
The USB to serial port uses the PL2303 chip, and Linux 2.4 and above versions already have built-in drivers. 1. Install minicom In Ubuntu, use sudo apt-get install minicom to install it 2. Configur...[Details]
Hi, do you need an assistant who can remind you of your schedule when you go out, chat with you when you are depressed, help you tutor your children when you are busy, or command the smart devices i...[Details]
Hand-operated self-generating flashlight
1. Energy-saving product, built-in micro power generation system using Faraday principle, just press the power generation handle lightly, it can power ...[Details]
The PT100 temperature sensor is a temperature measurement element widely used in the fields of industrial automation and process control. It has the advantages of high accuracy, good stability, and...[Details]