Bought a wifi module and it just arrived this week.
Since I have to go back to my hometown for New Year's Day, I don't have time to adjust. I have to take a week off this week. Sorry.
The wifi functio...
The adjustable power supply composed of LM317 has the following two problems:
1. What is the function of the circuit composed of VQ1 and R3 in the figure?
2. What is the function of VD2 in the picture...
1. DIP switch
This is a cross section of a plain old DIP switch. There are four groups of switches in this component. This is one of the switches.
This is the annotated version. It looks very simple. ...
After a circuit board is soldered, when checking whether the circuit board can work normally, it is usually not powered on directly. Instead, follow the steps below to ensure that there are no problem...
Application scenario: The switch uses MOS 47N60 or IPW60R045CP, and it is best if both can be driven. The driver supply voltage is 12-15V. [/backcolor][/color] [color=rgb(85, 85, 85)][backcolor=rgb(25...
Introduction Disinfection by-products (DBPs) refer to compounds generated by the reaction between disinfectants and natural organic matter in drinking water when disinfectants are used to disinfect d...[Details]
Today, vivo’s official Weibo account announced that vivo’s thinnest 5G mobile phone X50 with a 90Hz high-refresh flexible screen is now on sale. It is reported that the vivo X50 uses a 6.56-inch u...[Details]
Abstract: This paper introduces a logistics tracking system based on RFID, GPS and GPRS technology. The system adopts GPRS data transmission combined with host computer monitoring and management, and...[Details]
Investment bank Cowen said it expects Apple to report solid March quarter results, in line with Wall Street consensus, due to improved supply conditions. In a note to investors seen by AppleInsider...[Details]
Looking forward to MIUI 13? It is reported that Xiaomi is expected to hold a new product launch conference in mid-to-early August (around the 11th) to launch new products such as Xiaomi MIX ...[Details]
Through the EP2C20Q240 device and LPC2478 processor, the working principle and timing characteristics of the external parallel bus of the ARM application system, as well as the principles of bidire...[Details]
There are two types of crystal oscillators: active crystal oscillators and passive crystal oscillators. The main difference between the two is that active has voltage, while passive requires external...[Details]
When it comes to autonomous driving solutions, the two most famous international manufacturers are Nvidia and Intel . Nvidia Drive and Intel Mobileye can be said to be frequent customers of autonomo...[Details]
With the rapid development of devices and technologies such as analog-to-digital converters, high-performance microprocessors and programmable devices in recent years, spectrum analyzers have also en...[Details]
Let me first talk about the IDE and hardware I use. The IDE is IAR integrated development environment. I have used IAR since I learned microcontrollers. I have also used CCS, but I don’t think it is ...[Details]
Emergency stop button
Precautions for using the emergency stop button》》》
In certain transmission parts of industrial safety, when abnormal situations occur, machines that directly or indi...[Details]
Knock is an abnormal combustion phenomenon caused by the spontaneous combustion of the terminal mixture in the combustion chamber of a gasoline engine. Knock not only produces a sharp knocking sound,...[Details]
1 Introduction In the past 20 years, power electronics technology has developed rapidly and has been widely used in the fields of electricity, metallurgy, chemical industry, coal, communications, hom...[Details]
The microcontroller source program is as follows: /************************************************************************************ * * Experimental platform: Pivot Electronics STC15W4K core boa...[Details]
Knowing the main power switch location of ABB industrial robots is essential to ensure the safe operation and maintenance of the robots. In this article, we will introduce the main power switch loc...[Details]
stm32/stm8
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