No.1 What are radio waves?
When people searched according to Maxwell's prediction, they really discovered electromagnetic waves. We have explained this in detail in the article "The Discovery Process ...
[i=s]This post was last edited by hujj on 2020-10-16 18:57[/i]My homemade smart car needs to use an electronic compass for orientation, so I bought an LSM303DLH magnetic field sensor module online and...
In the void SystemInit (void) function, check if (BKP_ReadBackupRegister(BKP_DR1)==0x5050). If they are equal, set the flag bit update_flag to 0. Then check the flag bit in the main function and then ...
[font=微软雅黑, "][size=14px][size=3][color=#000000]This current signal detection device is composed of a self-wound manganese-zinc magnetic ring, an I/V conversion circuit and an AD conditioning circuit....
[i=s]This post was last edited by Aguilera on 2018-11-6 22:28[/i] [size=4]I debugged a device and an exception occurred. I found a strange phenomenon when I was troubleshooting today. gpioxh&l is high...
Log-Periodic Antenna
The purpose of log-periodic antenna is nothing more than communication transmission, receiving and transmitting communication signals. However, there are many types of communicati...
On September 10, 2024, WPG Holdings, a leading international semiconductor component distributor dedicated to the Asia-Pacific market, announced that its subsidiary WPI has launched an HVBMS BJB (h...[Details]
There are many traditional DC motor speed control methods, such as voltage regulation, weak magnetic field speed control, etc., which have the disadvantages of slow speed control response, poor a...[Details]
1. Development Environment Write serial port driver under WINCE6.0, use UART0 of S3C2440A to communicate with PC, and UART1, UART2 to communicate with AVR Atemga162 microcontroller. 2. Serial strea...[Details]
With the increasing popularity of mobile multimedia terminals and their increasingly powerful functions, people are no longer satisfied with their handheld terminals being able to only listen to MP...[Details]
There are two ways to use Microchip's capacitive touch sensing solution: the relaxation oscillator method detects whether a key is pressed by detecting the change in the frequency of the touch sens...[Details]
As we all know, the banking industry has a huge amount of data flowing through it every day or even every minute. The entire banking industry has begun to realize that they need to rethink their clou...[Details]
1. Have a clear understanding of the source of electromagnetic interference
For example, when there is no input signal in the detection element of a certain detection device, the peak-to-p...[Details]
VISA is the abbreviation of Virtual Instruments Software Architecture, which is essentially a general term for an I/O port software library and its specifications.
VISA is a standard I/0 application ...[Details]
Before RF testing can be performed, the DC operating conditions of these devices must be tested. For diodes, this includes forward voltage drop, feedback breakdown voltage, and junction leakage cu...[Details]
On October 28, Great Wall Motors' open class officially started. This open class unveiled Great Wall's intelligent wire-controlled chassis system, a technical platform built with the goal of L4 and a...[Details]
Design of serial interface between AD7543 and 89C2051
This paper introduces the method of realizing serial interface through the P1 port of 89C2051 with 12-bit serial input digital-to-anal...[Details]
At present, the battery life problem of new energy vehicles has been basically solved, and energy replenishment efficiency has become a topic of greater concern to car owners. Against this background...[Details]
Example description: 1. This example uses the PWM input capture mode of the STM8 microcontroller timer TIM1 to measure the infrared remote control code. 2. The infrared remote control code format i...[Details]
In today's world, smart hearable devices have become a popular trend. As the headphone market continues to grow, consumers' demand for AI-ANC and AI-ENC (environmental noise cancellation) noise red...[Details]
RF/Wirelessly
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