Apple announced last week that it will allow users to repair their products by purchasing parts from Apple. Apple plans to launch the program in the United States in early 2022, and some details have ...
As we all know, PCB boards are prone to bending and warping when passing through the reflow oven. So how to prevent PCB boards from bending and warping when passing through the reflow oven? The follow...
[size=4][color=#000000][backcolor=white]Impedance matching is a common concept in high-frequency design. This article provides a good analysis of this "impedance matching". It answers what impedance m...
(1) Memory expansion: Capacity requirements. When selecting, the internal memory resources of the MCU should be considered. If the requirements can be met, there is no need to expand. When expansion i...
A photo of five cute cats huddled together on a "satellite dish" to keep warm in the snow has recently become a hit on foreign social media. According to a report by the British newspaper The Guardian...
Based on the traditional full-bridge, the single-quadrant circuit has been used for a long time. This time, we will study a new circuit to make the designed power supply more widely used in various f...[Details]
On June 4, Digitaltimes reported that sources said that in addition to Samsung Display and LG Display, Chinese panel maker BOE will also become an OLED panel supplier for Apple's 5G iPhone. Regardin...[Details]
More and more companies are using variable speed drive engines to reduce energy consumption. This requires simplifying the design, shortening development time, and eliminating complex mathematica...[Details]
Recently, the National Development and Reform Commission and 13 other departments jointly issued the "Opinions on Accelerating the High-Quality Development of Manufacturing Services" (hereinafter ref...[Details]
With the development of wireless charging technology, electronic devices that support wireless charging functions, especially smart phones and supporting wireless charging devices, are gradually beco...[Details]
At present, in the market, especially in China, Bragg fiber gratings (equipped with ASE broadband light source) and distributed sensors based on optical time-domain reflectometry are the most wid...[Details]
1 Overview of X9241 X9241 is an integrated digital potentiometer produced by Xicor Company. It integrates four 10kΩ digital potentiometers on a single chip. The sliding end of each potentiometer ...[Details]
The serial port working modes 2 and 3 belong to multi-machine communication mode. Take mode 3 as an example;
Mode 3 is a 9-bit data asynchronous communication mode (plus start and stop 11 bits), the ...[Details]
Disclaimer: This article attempts to describe the FTTR communication market and equipment with a certain degree of professionalism in popular language. If professionals feel unwell, please contact us...[Details]
I don't know how you learned 51, anyway, I learned it by fooling around. Now, to develop products with 51, you must make full use of its internal resources. The main frequency and resources ar...[Details]
Timer A is a 16-bit timer/counter. It has 3 capture/compare registers, can support multiple timing controls, multiple capture/compare functions and multiple PWM outputs, and has a wide range of inter...[Details]
introduce
Permanent magnet synchronous motors (PMSMs) offer high torque/current ratios, high power/weight ratios, high efficiency, and robustness. Based on these advantages, PMSMs are widely u...[Details]
Tesla CEO Elon Musk recently held a conference call with employees, in which he expressed his views on Tesla's business model. Elon Musk held a conference call with Tesla employees this week in whi...[Details]
I sorted out the initial draft version of the experiment, and created header files for port macro definitions, function declarations, and commonly used function declarations. It feels much clearer. I ...[Details]
1. Pull-up input: Pull-up means pulling the potential up, such as pulling it to Vcc. Pull-up means embedding an uncertain signal at a high level through a resistor! The resistor also acts as a curren...[Details]
Talking
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