Proteus simulation Why can't the microcontroller receive data? The digital tube does not changeThe virtual serial port uses the software herehttps://wenku.baidu.com/view/98191fa7a0c7aa00b52acfc789eb17...
The OEMPreDownload() function in main.c of BootLoader calls the ReadOSImageFromBootMedia() function in nand.cpp file. When compiling, the following error message appears: BUILD: [01:0000000651:ERRORE]...
The kernel of nRF51822 is M0, FLASH is 256K, RAM is 16K, Bluetooth BLE4.0/4.2 (the new version of SDK supports 4.2) The kernel of nRF51802 is M0, FLASH is 256K, RAM is 16K, Bluetooth BLE4.0/4.2 (the n...
Yesterday afternoon, I received the materials sent by Digi-Key Electronics and selected the STM32F429-DK, K210 and the ADPD188BI-ACEZR7 integrated optical module for smoke detection to participate in ...
I would like to ask you, the following figure is my op amp circuit. When it is powered on, without input, the output VOUT of the op amp pin 7 is not 0, but about -14V. Why is this? And the op amp gets...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[Details]