Driving a three-phase BLDC/PMSM motor requires varying degrees of intelligence to ensure the correct magnetization sequence is successfully generated. By using a microcontroller, motor drive designers...
1. If the MCU has a serial port peripheral, plus a level conversion chip, such as MAX232, SP3485, it is the RS232 and RS485 interface. 2. RS485 uses differential signal negative logic, +2~+6V represen...
#Create a new folder and store files in a USB flash drive in C language in Linux##1. Storage path plan```c #includeint main(void) { char file[30] = {'\0'}; //File name char filefolder_path[30] = {'\0'...
[i=s]This post was last edited by hujj on 2020-12-23 16:30[/i]After the LCD display driver is completed, the DS1307 calendar module is driven. This module uses I2C communication. I used the CLK and DI...
Power supply topology: PSR. Control mode: PSM. Switch chip: LNK3604D.Input 220VAC, output not fully loaded.1. How to determine whether the power supply is stable?2. Can the error in transformer manufa...
I would like to ask about the design/sample making of high-frequency transformers. If I provide the parameters in the figure to the manufacturer, there should be no problem in making this kind of tran...
I originally thought that this LCD should be difficult to make, but I made it in an hour, and spent 2 hours to organize it to make my code look better. This time I can't use the simplest code t...[Details]
//Button plus or minus one
#include reg51.h
#include stdio.h
int duan ={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}; //Hexadecimal of the common cathode digital tube 0 to 9
...[Details]
Although current Android phones are already very easy to use, compared with Windows devices, their driver updates are still relatively cumbersome and still rely on system updates to complete. ...[Details]
A new electrocardiograph system based on GPRS standard is proposed. The system consists of three parts: monitoring terminal (portable electrocardiograph), wireless network and monitoring center sta...[Details]
As the ease of use and performance of very low-power sensors, microcontrollers, and radio frequency (RF) transceivers continue to improve, wireless sensor networks powered exclusively or supplemen...[Details]
Tesla's factory in Fremont, California, may be idle during the coronavirus outbreak, but teams at the company are still hard at work developing new features for its cars. Now, one feature that was...[Details]
From June 27 to 28, the signing and unveiling ceremony of the Magnetic Materials Engineering Technology Research Institute jointly built by Hefei University of Technology, Suzhou Municipal Governme...[Details]
Players who are familiar with the Nintendo Switch console will definitely remember the black dock that carries the "Switch" function of this game console, but for those players who are used to ...[Details]
When assembling and repairing electronic devices, it is often necessary to measure the resistance (513mro) value of certain components or branches in the circuit. Beginners usually think that only ...[Details]
The PC104 bus system is a new type of computer measurement and control platform. As an embedded system, it is fully compatible with the standard desktop PC (PC/AT) architecture in terms of software...[Details]
Network coverage is the biggest challenge facing telecom operators. The arrival of the wave of data services will bring a new round of network competition. As the neurons of wireless networks, site...[Details]
The power supply industry has always been full of DIY experts. This time, the editor will share with friends a simple homemade charger timing socket. The so-called timing socket can time the trickle ...[Details]
The MAX15053 high-efficiency, current-mode, synchronous step-down
switching regulator
with integrated power switch provides up to 2A of output current. The device operates from 2.7V to 5.5V and ...[Details]
Assisting the development of China's "core"! National Technology's N32G455 series general-purpose MCU products won the 16th China Core "Excellent Market Performance Product Award"
On...[Details]
Preserving the privacy of such Internet of Vehicles (IoV) has become a major challenge given the geographical mobility and resource constraints of vehicles. Furthermore, the limited resources of th...[Details]
RF/Wirelessly
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