Another week has passed. I tested it twice this week. The first time, as everyone said, I couldn’t connect to the Internet. After trying N times, I still failed. Later, I found that I needed to use a ...
As shown in the figure, I converted +5V to -5V through MAX735, and then supplied the positive and negative 5V to the dual power amplifier. Once powered on, -5V was pulled down to 0V. After disconnecti...
Designers of Internet of Things (IoT) products are currently gravitating toward wireless connectivity based on Wi-Fi because it is widely deployed and well understood. However, any type of RF function...
[align=left][font=-apple-system,][color=#000000] Recently, a project was deployed. Party A used a virtualization platform and the servers provided were all virtualized cloned machines. The default par...
1 Fuel supply system
The modification of the original engine is mainly the modification of the fuel supply and injection system, and a complete set of natural gas supply system and electronic c...[Details]
1. Serial port theory As an important external interface of MCU, the serial port is also an important debugging method for software development. Its importance is self-evident. Now almost all MCUs ...[Details]
Regarding
the circuit structure of
regulated power supply
, whether it is a transistor linear DC power supply, a thyristor DC regulated power supply or a switching power supply, it should be re...[Details]
The three major A-share indices closed higher today, with the Shanghai Composite Index up 0.42% to 3457.07 points; the Shenzhen Component Index up 0.94% to 14398.38 points; and the ChiNext Index was ...[Details]
1 Introduction
With the development of network and multimedia technology, the importance and demand of visual communication have increased dramatically, such as desktop video conferencing,...[Details]
Samsung is preparing to mass produce the 8th generation of V-NAND flash memory, including the upcoming PCIe 5.0 SSD, which is expected to bring users huge storage capacity and performance experienc...[Details]
On August 11, Mulinsen released its semi-annual report stating that in the first half of 2020, the company achieved operating income of 7.127 billion yuan, a year-on-year decrease of 24.07%; the net ...[Details]
The State Council recently issued the "New Generation Artificial Intelligence Development Plan", which puts forward the guiding ideology, strategic goals, key tasks and guarantee measures for the d...[Details]
GPIO Gerneral-Purpose IO ports, that is, general IO ports. In embedded systems, there are often a large number of relatively simple external devices/circuits. Some of these devices/circui...[Details]
51 MCU precise delay program (crystal oscillator 12MHz, one machine cycle 1us.)
Several precise delay programs: In the calculation of precise delay, the most easily overlooked part is the delay out...[Details]
Dramatic changes in the automotive industry are happening in every corner.
This year's Beijing Auto Show, from the stunning products to the diverse marketing methods, has set off a peak ...[Details]
In industrial automation control systems, the most common application is the combination of PLC and inverter, and a variety of PLC control inverter methods have been produced. Among them, the contr...[Details]
Keysight Vector Network Analyzers (VNAs) cannot measure the velocity of propagation directly. Instead, the method outlined in the following steps calculates the velocity of propagation based on the p...[Details]
With the increasing attention paid to the structural safety of large equipment, nondestructive testing technology has become one of the indispensable testing methods in the manufacturing and use of m...[Details]
The ABB robot system key is a technical means used in the ABB robot system to protect its intellectual property and ensure system security. This article will introduce the relevant knowledge of the...[Details]
RF/Wirelessly
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