Does anyone have a program that can realize serial communication between CC2530 and SIM900S and set it as a gateway to send and receive text messages? Please help me...
[i=s]This post was last edited by Demonstration Law on 2021-4-12 16:14[/i]It's like this. I used a multimeter to test the 1588bs dot matrix I soldered on the board and found that it was functioning pr...
I used LM2576 to make a 5V DC power supply. Its output current is 3A. I don't know if the current input to the microcontroller is too high. Is there any way to reduce the current?...
[align=left][font=宋体]I saw this post: [/font][url=https://bbs.eeworld.com.cn/thread-420509-1-1.html]https://bbs.eeworld.com.cn/thread-420509-1-1.html[/url][/align][align=left][font=宋体]So I just want t...
IoT, 5G, and NB-IoT are the most popular communication terms nowadays. With the maturity of 5G, "intelligent interconnection of all things" is becoming a reality, and the Internet of Things has been p...
I am currently working on a project using a upsd3254A-40U6 microcontroller. This chip has five built-in PWMs, of which PWM4 can output square waves with controllable frequency and duty cycle. I am con...
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]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[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]
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]
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 TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. 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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
As countries around the world are leaning towards the new energy battery industry, lithium-ion power batteries, as the ideal energy source for the development of the 21st century, are attracting mo...[Details]