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In the application of 485 bus, if you simply use a pair of twisted pairs to connect the "A" and "B" ends of each interface, and ignore the interconnection of the signal ground, this connection method ...
The installation and setting steps of the router and computer are as follows: 1. Plug the broadband main network cable into the WAN port of the router, and use a network cable to connect the LAN port...
Recently, there was a report that OPPO is recruiting fresh graduates majoring in chip-related majors with an annual salary of more than 400,000 yuan. This news has once again attracted people's attent...
This article will introduce how to add two GPIO buttons on the Flying OKT507-C development board . I hope it will be helpful to engineers. This article takes the PE5 and PE6 pins as examples. Let's ge...
This review is a bit late. Although it took only two days from the delivery of the board to the receipt, the official Taobao store shipped quickly and the courier was also very good.The packaging is q...
The electrolyzer has positive and negative poles. Generally, the one with a longer pin is the positive pole and the one with a shorter pin is the negative pole, and they are marked with "1". When t...[Details]
PCB is a key component of electronic products and is used in almost all electronic products. It is a key interconnection part for assembling electronic parts. It not only provides electrical connecti...[Details]
The development of new energy vehicles as a whole has entered a new normal. I got some insurance data for October from a friend. Let’s take BYD as an example to see the changes since July. 1) Overa...[Details]
According to the Economic Daily, in response to the United States' expanded blockade of Huawei, TSMC notified equipment manufacturers that it has decided to postpone the 5nm expansion and 3nm trial p...[Details]
Single-phase electricity is used to power household and office appliances, while three-phase alternating current (ac) systems are widely used to distribute electricity and directly provide power to hi...[Details]
introduction
At present, almost all countries use breath alcohol testers to conduct on-site testing of drivers to determine whether the measured driver has been drinking. This paper proposes a...[Details]
The working principle of a digital oscilloscope is shown in the figure. When an analog signal enters the oscilloscope through the input channel, it will pass through an amplifier, which we call a ver...[Details]
90% of the respondents in the United States, Europe and China do not think that electric vehicles have advantages such as fast acceleration and excellent driving experience; 80% of the respondents in...[Details]
Recently, Professor Wang Xinran's research group at the School of Electronic Science and Engineering at Nanjing University has made breakthroughs in key technologies for the preparation of two-dimens...[Details]
Household photovoltaics are booming. Since 2013, China's household photovoltaics have experienced rapid development from the beginning to a blowout. According to the figures given by the China Phot...[Details]
Tire noise is an important factor affecting the comfort of a car. Tire noise not only disturbs the mood of the driver and passengers, but also causes noise pollution to the surrounding environment....[Details]
When designing a hardware system, you need to choose the right power supply chip. Whether you are designing consumer digital electronics or wireless sensor devices, you need to weigh the various ...[Details]
Tips for measuring and identifying transistor pins
The determination of transistor type and pins is a basic skill for beginners of electronic technology. In order to help readers q...[Details]
Today I will tell you about the use of EEPROM. This memory uses IIC communication, so we need an IIC driver, or write one ourselves. I have written one before, so I will not write it here. Then I w...[Details]
Industrial control systems are an indispensable part of modern industrial production. They control and monitor various equipment and parameters in the production process to achieve automation, inte...[Details]
RF/Wirelessly
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