I need help from you guys, the development board STEVAL-IDB007V1 uses USB micro to connect to PC-USB, but the serial port is not recognized in the device manager...
It is similar to the combination of industrial computer and PLC platform, bus card type----from hardware to software! The company does not have this strength, so it found an old senior engineer from t...
Continuing from the previous post: http://topic.eeworld.net/u/20100131/15/462e28c6-78c7-41aa-a2f8-02d643802276.html I'm dizzy, and I found another wrong place (it should be abnormal) #define _RAM_STAR...
I use 51 MCU NRF2401 to communicate with STM32's NRF2401. The 51 MCU is used as the sending chip and the STM32 is used as the receiving chip. However, it takes a long time to receive data after the re...
For example, I write a program and set a timer interrupt every 5 seconds. But the overall structure of my program main is: Initialize Initialize timer Set enable interrupt While (1) Main loop {... } I...
In the hierarchical schematic design of AD2018, for example, if the power supply schematic is regarded as a submodule, according to the method in Figure 1, the target schematic can be abstracted into ...
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]
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
ST - Low Power RF
京公网安备 11010802033920号
EEWORLD
