I want to modify my mobile phone charger. I will cut off the positive wire of the data cable connecting the 5V/1A Apple mobile phone charger and the mobile phone, add a control switch, and then connec...
[i=s]This post was last edited by fish001 on 2019-11-5 21:17[/i]Since the high-frequency switching noise collected by AD is large, it greatly interferes with data processing. After measuring with an o...
I would like to ask an expert to know why the VCNL4020-GS08 sensor is not stable after welding. The light is sometimes on and sometimes not. It cannot be triggered. Why? If anyone knows, please help m...
Today I saw a toothbrush that uses an 8-pin microcontroller, but it has 6 LED lights, 1 button, and 1 motor. After removing the VCC and GND of the microcontroller, there are only 6 available pins left...
The PCB of the central control circuit board was finished today and sent to the manufacturer for board making. Acting according to the plan is a reminder for myself....
China Energy Storage Network News:
On December 24, the National Energy Administration officially released the "Power Grid Operation Management Regulations" and the "Power Auxiliary Service ...[Details]
When should I use an oscilloscope?
If you need to measure the "analog" characteristics of many signals at once, a digital oscilloscope is the most efficient solution. Use an os...[Details]
*This example uses the AD0804 chip, hardware circuit: cs chip select terminal connected to P2.3, WR write data terminal write to P3.6, RD read data terminal connected to P3.7, latch terminal connected...[Details]
Jiwei.com reported that Tianyancha showed that on March 24, Beijing Weilan New Energy Technology Co., Ltd. (hereinafter referred to as Weilan New Energy) underwent industrial and commercial changes, ...[Details]
Recently, the China Electricity Council announced the results of the 2019 Electric Power Innovation Award. The project "Resistant Measurement Processing and Online Safety Analysis Technology and Ap...[Details]
Recently, the China Institute of Communications released a research report titled "White Paper on Intellectual Property Rights in Internet of Vehicles". The report shows that as of September 2019, th...[Details]
Steam flow meter is a special instrument for measuring the cumulative mass flow of steam. It is suitable for measuring high-temperature and high-pressure steam, boiler outlet, superheated steam or sa...[Details]
In April, the city of Peng is in full bloom, with flowers in full bloom and sails in full swing on the shore of the South China Sea. INVT celebrates its 18th birthday. Eighteen years ago, INVT starte...[Details]
1 Introduction
The DC current source is a widely used electronic instrument. For situations where the output current is required to be adjustable, the simplest and most practical method is to achiev...[Details]
1. Indoor screen series
The area of indoor screens is generally less than ten square meters, with a high point density. They are used in environments without direct sunlight or lighting, an...[Details]
Today, OnePlus officially announced two new earphones, namely OnePlus Buds N and OnePlus Blue Ears Z2. The new products will be officially released at 19:00 on April 21 and pre-sale is now open...[Details]
The greenhouse requires the temperature to be kept within a certain range, which is the best environment temperature for the growth of plants and animals. Therefore, the environment temperature for th...[Details]
Apple pushed the iOS14 beta8 version update yesterday, which added a new feature: support for customizing the default browser app (currently limited to Google Chrome). According to netizens, users ...[Details]
To put it simply, an operating system is a manager of hardware resources on a computing device. But the modern operating system is completely different and can encompass everything. An operating syst...[Details]
Due to the high-frequency operating characteristics of power electronic devices, converters require the use of key passive filtering components. Traditional filtering methods use dual inductor-capa...[Details]
Power technology
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