The old base station is probably still working or retired. Today I accidentally found it and I want to share it with you. Base station amplifier[b][color=#5E7384]This content is created by EEWORLD for...
Prize-winning live broadcast: ST's PLC solutions in industrial automation. You are invited to watch at 10:00 am on May 26 (Wednesday)!Click here to registerLive broadcast time: 10:00-11:30 am, May 26,...
LTspice (10) .net files and sympyI need to do a lot of addition, subtraction, multiplication and division calculations at work. Although they are not very complicated, it is still troublesome to chang...
In the past, thermal imaging data acquisition has always been implemented using ZYNQ+PC, which is only suitable for fixed applications and cannot be used mobile. Recently, I want to use Gaoyun FPGA+ST...
[i=s]This post was last edited by w494143467 on 2021-6-27 13:23[/i]1. Introduction
There are many kinds of activity states, mainly standing, sitting, walking, light sleep, deep sleep, running, and not...
w494143467onsemi and Avnet IoT Innovation Design Competition
Introduction: The host computer sends a message to the slave computer through the RS232 serial port. The slave computer receives the message and performs two actions: (1) LED light changes. (2) R...[Details]
From the perspective of 3G mobile payment, the information security requirements in 3G mobile payment are studied, and finally a 3G-based RFID identity recognition security solution is designed. ...[Details]
Recently, the first batch of new products of Meizu's high-end smart home brand Lipro was officially released, taking the unique smart single product route, but surprisingly, Meizu Lipro advocates hom...[Details]
In recent years, Internet of Things technology has been continuously accumulated and upgraded, and the industrial chain has gradually improved and matured. In addition, driven by multiple factors suc...[Details]
The input and display circuit uses 4 buttons and function switching to complete the setting of output voltage and display switching. The display part uses a common anode digital tube for dynamic disp...[Details]
Modern portable digital devices are inseparable from displays, and the white light LED (light emitting diode) used as the display backlight has performance several or even dozens of times bett...[Details]
For some time, the US government has used legislation, administration, justice, diplomacy, and public opinion to suppress Huawei. It is unprecedented for a superpower to use the state machinery to su...[Details]
1. Grounding problem
The grounding requirements for the PLC system are relatively strict. It is best to have an independent dedicated grounding system. Also, attention should be paid to the re...[Details]
Today I will sort out the information about CAN. First, I will use stm32f103vet6, which has only one CAN (2.0A & 2.0B). CAN itself is the bus of the working data link layer. It has many advantages and...[Details]
I. Introduction How to use instruments correctly is a necessary requirement for every engineer, especially oscilloscopes. Many people do not pay attention to restrictions such as isolation, resulting...[Details]
According to foreign media gsmarena, some users have recently reported some problems with the OnePlus 8 Pro display. The current problems include green screen, loss of black details (black cru...[Details]
Windows are great for letting in light, but they also bring in unnecessary heat in the summer, causing many people to turn on the air conditioner,media New Atlas reported. Now, researchers have dev...[Details]
The internal timer T0 of the microcontroller works in mode 1, and a square wave pulse signal with a period of 2ms is output from P1.0. It is known that the crystal oscillator frequency of the microco...[Details]
In an intelligent workshop in the Chengdu Economic Development Zone's Jingrong Digital Economy Industrial Park, workers are working in an orderly manner, and the fully automatic production line is run...[Details]