As shown in the figure below, NMOS and PMOS are used as a protection circuit to prevent reverse connection of the power supply. [1] The circuit diagram of the PMOS tube is easy to understand. For the ...
In the circuit below, what are the functions of the resistors connected behind the rectifier bridge and the three resistors in the red box? What do they mean and what are their main functions?...
As shown in the picture below, does this Type-C female socket need to be mounted with a machine sticker?Some surface mount pins are hidden under the shell, what should I do when doing manual soldering...
Distributed environmental monitoring terminal based on CH2601
Author: sipower1. Project Background ( 100-200 words )With the development of industry, environmental problems are becoming increasingly s...
Recently, I read the book " Popular Science: Re-understanding 5G " released by QORVO and gained a lot. Here is the main content.
Since the advent of 5G, the conversation has focused primarily on three...
On October 14, according to foreign media reports, Velodyne Lidar, a lidar research and development company, recently announced that it has signed a three-year Alpha Prime lidar sensor sales agreemen...[Details]
Apple announced today that it will open its third and most distinctive retail store in Singapore - Apple Marina Bay Sands (located in the Marina Bay Sands Shopping Center). Unlike other Apple retai...[Details]
According to the Spanish newspaper El Economista, chips are becoming the "new oil", a scarce resource that is controlled by a few countries and regions (all in Asia). The global shortage of semicondu...[Details]
The electrification trend in the automotive industry shows no signs of abating. Every month, at least one automaker announces a major development, either a new electric vehicle or an updated version ...[Details]
This is a small microcontroller program I wrote. It combines the ds1302, ds18b20 and 1602 on the microcontroller development board to display the year, month, day, week, hour, minute, second and tempe...[Details]
In recent years, the burglar alarm industry has been in a relatively stable development state. As an important component of burglar alarm technology, wireless alarm detection technology has been de...[Details]
Q: I would like to ask you about offset and gain adjustment.
A: Generally, no adjustment is needed unless you must. There are two options: (1) Use easy-to-use equipment, components, and
ci...[Details]
Several issues have been addressed above.
Now we are in the state: we can perform tftp transmission between PC and OK6410. We have determined the available address space. Now let's talk about printf ...[Details]
After the rotational viscometer is turned on, the zero position must be detected first . This operation is generally performed without installing the rotor. Then, an inner cylinder with a radius of ...[Details]
According to foreign media xiaomiui, the international version of the Xiaomi 12 series has appeared on Geekbench 5. The exposed phone is codenamed "2201123G", and the suffix G stands for Global. The ...[Details]
We often see articles about PC MODEM communication, but articles about MCU MODEM communication are rare. Now I will write down my personal experience of MCU MODEM communication for your reference. ...[Details]
For all new energy vehicle companies, 2022 is destined to be a year full of twists and turns, but also a year of great gratification. On the one hand, there are negative factors brought about by th...[Details]
When doing technical work in enterprises, we often encounter a phenomenon that the products have no problems in the factory, but frequently encounter failures at the user's site. Another phenomenon is...[Details]
STC is a domestically produced 51 single-chip microcomputer launched by Hongjing Company. Its advantages are low price, powerful functions and easy use. In particular, its serial port ISP program down...[Details]
The advantage of the three-level PWM rectifier circuit is that the voltage borne by each main switch device when it is turned off is only half of the DC side voltage. Therefore, this circuit is parti...[Details]
Analog electronics
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