I use the following method to control the ultrasonic generator to send ultrasonic waves
On the left are two complementary outputs, a 50% duty cycle, and a 40KHz square wave frequency.
In the middle is...
I would like to ask the moderator, for the helper2416 development board, the driver fails to create a device node by calling class_create. Is it because the root file system does not support the udev ...
【Chuanglong TL570x-EVM 】Review 01 - UnboxingPhysical appearanceThis industrial control board of Chuanglong is of high quality, and is designed and manufactured with great care. It has good stability a...
Power Factor CorrectionPower factor correction (PFC) is mainly used to improve the ratio of effective power to apparent power at the input of the power supply. It is one of the common circuits in swit...
[size=4] Ultra-low standby power consumption of less than 90mW without auxiliary AC/DC power supply reference design. The PMP21251 reference design uses the UCC28056 CRM/DCM PFC controller, UCC256304 ...
# 3D printer project - STM32F7508-DK environment creation (I) I found out from the Internet that smoothieware.org launched a FreeRTOS system V2. I have always wanted to try it out. It happened that [*...
Note a few points in the manual: RTC_SetAlarm() :The Alarm register can only be written when the corresponding Alarm is disabled (Use the RTC_AlarmCmd(DISABLE)). All RTC interrupts are connected t...[Details]
Apple recently settled a class action lawsuit related to the Powerbeats 2 headphones. It has reached a settlement with the plaintiff and Apple will pay $9.75 million. Apple said it denies all alleg...[Details]
LED lighting has entered the home users. Compared with traditional lighting equipment (such as incandescent lamps and fluorescent lamps), it has the advantages of high purity of light source, diverse...[Details]
Since the beginning of this year, Chengde Vanadium Titanium Company has insisted on taking benefits as the center, focusing on reducing costs and expenses, continuously deepening labor competition, fu...[Details]
Modular, programmable, common architecture is scalable from entry-level NCAP front camera systems to more advanced front, rear and surround vision solutions Qualcomm Technologies Inc. today introdu...[Details]
If you want to get the time two days later by getting the time control, just add the number 172800. The default is to add that many seconds.
If you want to call two identical subVIs in the same pro...[Details]
On November 2, Del Complex announced a "BlueSea Frontier Compute Cluster (BSFCC)", an AI platform that can float on international waters. According to reports, the platform’s goal is to circumvent ...[Details]
Recently, Huishoubao released a report on the value retention index of Redmi and Honor mobile phones, which are the "tech representatives" of Internet mobile phone brands. Let's take a look. In terms...[Details]
On June 6, the Ministry of Industry and Information Technology officially issued 5G commercial licenses, which means that my country will officially enter the first year of 5G commercialization. Ne...[Details]
I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]
1 Overview In China's energy consumption, industry is the largest energy consumer, accounting for about 70% of the total national energy consumption. The "Proposal of the CPC Central Committee on For...[Details]
The DC brush motor drive circuit is a modern electrical control method developed from electronic technology. It can directly control the output speed and torque of the motor and has the advantages ...[Details]
The 12864 source program driven by the microcontroller is very detailed as follows: #include reg52.h #include 12864.h #define uchar unsigned char #define uint unsigned int uchar dis ; uchar ...[Details]
Timer is a very important concept in microcontrollers. This article mainly makes a study note on timer TIM1. 1 Overview STM8S003xx only contains TIM1, TIM2, and TIM4, among which TIM1 is an advance...[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]