[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:11[/i]1 Test baud rate
AT
2 Turn off echo
ATE0
3 Check whether the SIM card is normal. If it returns to normal, go to the next step
AT+ECICC...
Create a rotating LED using the classic 555. When the switch is pressed, the LED rotates very fast. After the switch is released, the rotation gradually slows down and eventually stops.From: http://ww...
Finally I made up my mind to download MDK530, and finally solved the problem that the PACK package could not be installed.I tried installing 5.1 MDK on two computers but failed.
This just gave me a re...
In the 21st century home, there are countless examples of how simple everyday devices such as electric motors have been transformed into an integral part of more and more household appliances through ...
The vertical degree disk is composed of the main grating, the indicator grating, the indicator grating seat, the shaft and the shaft sleeve. During the installation of the vertical degree disk, the ve...[Details]
If you ask anyone if he knows CPU, I think his answer will be yes. But if you ask him if he knows ARM and X86 architectures? What is the difference between the two? Most people will be confused. To...[Details]
Currently, models such as Arcfox Alpha S, Changan CS85, Apollo Hongqi E-HS3, and GAC New Energy Aion S can achieve L4 autonomous driving under some road conditions. So how far are we from true autono...[Details]
Led by new quality productivity, BAIC Group's industrial chain ecosystem has added new momentum. The three companies under the group will jointly establish a platform company, work with CATL and Xi...[Details]
Here we mainly introduce the General in the Tools options dialog box in PADS LOGIC. In the operation of schematics in PADS2007, we learned about schematic parts. Before drawing schematics in PCB LA...[Details]
If you don’t think about the future, you will worry about the present. China is obviously more far-sighted in the lithium battery industry, so much so that in the current era of new energy vehicles, ...[Details]
Introduction to libusb libusb is an open source C library that allows users to directly access USB devices in applications without having to write kernel drivers for USB devices. libusb supports mu...[Details]
The 6% Luer taper connector multifunctional tester uses a 7-inch colorful LCD touch screen with Chinese menu display. The nominal capacity of the syringe can be selected by the keyboard, and the axia...[Details]
Numerical values can be positive or negative, and the computer uses the highest bit of a number to store the sign (0 for positive, 1 for negative). This is the original code of the machine number. A...[Details]
With the development of science and technology, human beings have higher and higher requirements for power quality and power supply safety. In some important occasions, such as banks and hospitals, p...[Details]
According to foreign media reports, a large-scale power outage occurred in Dresden, the capital of Saxony in eastern Germany, one of the major semiconductor centers in Europe. It is reported that up ...[Details]
Perhaps the word "dragon" carries too many myths, so people have too many expectations for Loongson. But to this day, few people talk about the development of Loongson. So today, let's take a look at...[Details]
This topic is currently mainly discussed for learners of microcontrollers, and may be expanded to more fields in the future.
I often encounter questions like this: "When I am studying, it seems tha...[Details]
The United States is about to completely ban the sale of novel flavored e-cigarettes! A complete ban on the sale of novel flavored e-cigarettes US President Trump met with the heads of the US D...[Details]
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