1. The salt spray test box does not spray? Answer: Check whether the air pressure valve is open, the pressure should not be lower than 0.3Mpa, the air intake pressure (0.3~0.6Mpa), the spray pressure...
[i=s]This post was last edited by 54chenjq on 2020-2-27 00:24[/i]TI's red boards are all pretty. Here are some pictures to show you.
The light pointed by the yellow arrow will be used to demonstrate t...
In the past, most of the so-called open source hardware were drawn with Eagle, so I learned Eagle. Now there seems to be a trend of migrating to KiCAD. Let me share a stepper motor controller I saw re...
[i=s]This post was last edited by Beifang on 2021-8-13 11:10[/i]1. There is a relatively standard model for developing programs in rtthread, which is to use rt-thread setting. This standard setting is...
|Get a gift for grabbing a houseEvent time: From now until November 30How to participate:1. Enter" Infineon Tmall Flagship Store ";
2. Select the product you are interested in, enter the product detai...
This is a single-key bistable circuit I bought from Taobao. After copying it, I found that it can only be monostable. Q12 will output when power is turned on. What's the problem?...
In recent years, with the popularization of the Internet of Things, the number of connections and the amount of data generated by the Internet of Things will explode, which puts higher requirements o...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1.
Norma...[Details]
Recently, when interacting with investors, Shenzhen MTC stated that its LED chips cover three major mainstream application areas: lighting, backlighting, and display. In terms of product structure, i...[Details]
In the first half, we talked about oscilloscope triggering overview and pulse width triggering. The second half will focus on: delayed triggering and noise suppression and hysteresis. Let’s get “tr...[Details]
Bloomberg News recently reported that US President Trump has "in principle" agreed to the solution for TikTok received by the US government. The solution does not involve the transfer of technology a...[Details]
According to Wise Finance, Meizu's losses continued to increase in 2018. Its total operating revenue last year was 7.2 billion yuan, while its total profit was -1.6 billion yuan. In addition, the t...[Details]
There are many types of insulation resistance meters, but the basic structure is the same. They are mainly composed of a magnetoelectric current ratio meter and a high-voltage power supply (usually g...[Details]
In the United States, it is not easy to buy a Tesla. It is reported that some of Tesla's stores in the United States have run out of inventory. According to data from Tesla's official website, the ...[Details]
PN encoder, full name is sequence pseudo-random noise encoder, is a commonly used digital signal processing technology. It uses a long-period pseudo-random code sequence to encode the original sign...[Details]
According to Jiwei.com news, on the evening of May 12, the review status of Ninebot, a company accepted by the Science and Technology Innovation Board, was changed to "suspended". This is the first t...[Details]
Roughness meter is also known as surface roughness meter. It has many names, such as surface finish meter, surface roughness detector, roughness measuring instrument, roughness meter, roughness tester...[Details]
introduction
Among various single-phase PFC circuit topologies, Boost circuits are widely used due to their simple structure, high conversion efficiency, and easy control. High-frequency methods ca...[Details]
Intel continues to work with customers to achieve win-win outcomes with leading processor performance, outstanding AI performance optimization and breakthrough persistent memory capabilities News ...[Details]
LED is an abbreviation of Light Emitting Diode, which means "light emitting diode" in Chinese. As the name implies, a light emitting diode is an electronic device that can convert electrical energy...[Details]
To design LED lighting products, we must first determine which LED packaging structure to use; then consider how to adapt to these packaging forms; we do not have many choices, and the optical struct...[Details]