The crystal oscillator of the 51 single-chip microcomputer is: 11.09520MHZ. If you want to generate a baud rate of 9600bps, here is the formula I found on the Internet: Baud rate = 1/16 or 1/32*(frequ...
This is how the teacher taught us microcontrollers (reposted) Seeing that many netizens are asking how to improve their abilities, I would like to talk about my own learning process. I studied communi...
I have a 10-year-old laptop with an I5 CPU and 4G memory. I haven't used it for two or three years. The day before yesterday, I turned it on. It took about 10 minutes from booting to running. After bo...
Some time ago, I needed to test the charging of a lithium battery pack. The voltage of 18 lithium batteries in series can reach more than 70V. I used to have a GPC-6030D linear adjustable power supply...
Thanks to Shaolin for the win32 demo program. I looked at the files debugged with arm-elf-insight in the code base. Because insight is hard to find under win, I tried debugging with slickedit+qemu. I ...
The communication of F2808 is in CAN self-test mode, and the program runs normally. The data sent and received are normal. However, when it is changed to normal eCAN mode, the program hangs at the wai...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
Embedded System
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