[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 ...
For Apple fans in China, the most annoying thing about the iPhone 5 is not that the first countries to be sold do not include mainland China. After all, it is not difficult to buy a mobile phone in H...[Details]
1 Introduction
Frequency characteristics are the most intuitive reflection of network performance. Frequency characteristics tester is a fast, convenient, dynamic and intuitive measuring i...[Details]
In the past, it was hard to get a chip, and the price changed every day, rising rapidly; Today, the price of some chips is only one-tenth of the highest price. The prices of some chips have rec...[Details]
O Introduction
In the face of different application scenarios, the original sampled data may contain a variety of different styles of signals, which brings challenges to the traditional dat...[Details]
About Pait_Bmp(x0, y0, x, y, BMPaddr); function The pixel image is at (0,0) in the upper left corner of the screen. x0 and y0 in Pait_Bmp are the initial positions of the pixel points, x and y are ...[Details]
1. Why is the leakage circuit breaker prone to tripping when using a frequency converter?
This is because the output waveform of the inverter contains high-order harmonics, and the motor and t...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Car companies and Tier 1 are starting to lose their baggage again.
The last time we formed a team, we lost the "high-precision map", and this time we don't want the "lidar" e...[Details]
Note: The .axf or .elf files generated by keil are executable image files. IAP - User Program issues that need attention To set the interrupt vector properly, assuming that the starting address of th...[Details]
The following information is collected from the Internet about the USB transmission byte problem (from computer00) The USB endpoint buffer of STM32 is not fixed, but is set by registers. In my progr...[Details]
This article describes a method for measuring Ethernet throughput that provides a good estimate of performance and explains the various factors that affect performance. Ethernet is the most widely ...[Details]
On April 9, 2018, the results of the 2018 Red Dot Design Award were announced. GoodWe's new generation of smart photovoltaic inverters stood out from the fierce competition with outstanding design pro...[Details]
According to Jiwei.com, Henan Daily reported that the Zunshen Optoelectronics display module project has entered the stage of interior decoration of the factory and is expected to be put into product...[Details]
The battery for electric locomotives is responsible for supplying power to the auxiliary system before the locomotive is raised, so the quality of the battery is extremely important. At present, most ...[Details]