Today a colleague brought a video player to me and said it would not turn on. After checking, I found that the backlight was not on. The MCU used is STM8S_48P. Pin 21 is the backlight enable control. ...
Some DCDC chip technical manuals directly state the maximum duty cycle that can be output, while others do not. Where can I find it in the technical documentation?...
When I use S12XS256 and S12P128 chips , I often encounter the fault of VCC and GND short circuit, and the microcontroller has burned out. But I did not do any illegal operation during the use, why doe...
There is an STM32 software project outsourcing. It requires experience in STM32 projects and the ability to use relevant development tools proficiently. It requires to be in Beijing. Since the project...
Please design one using assembly or C language!!!Design of waveform generatorbased on STM321. Signal frequency 1~20KHZ , step 1HZ , relative error 1% .2. Can generate sine wave, square wave, triangle ...
I use BIOS + DOS + Loadcpec to start windows ce. After loading nk.bin, it says jumping to xxx (an address) but there is no response. The debug serial port outputs: Debug Serial Init SysInit: GDTBase=8...
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]
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]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[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]
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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]