The following is a program I wrote to use the capture unit 3 of 2407 to measure the speed of a DC motor. Could you please help me find out if there is any problem:Why can't the speed of the DC motor b...
[i=s]This post was last edited by 5525 on 2016-8-8 18:53[/i] As the title says. The content is rich and easy to understand. If you can understand it to this extent, you can master 80%....
It's not completely finished yet, it's not painted yet. I was planning to go fishing tomorrow, but the little brats (the middle school has moved and it's now an elementary school) smashed a big hole i...
When the product is tested for rapid power on and off, if the power on and off requirements of the MCU are not met, the MCU will often fail to start or even lock up. For MCUs powered by a single power...
I turned on the receive interrupt for the stm32 serial port 485, and then kept sending data using this 485 port. But when I send data for a certain period of time, it suddenly enters the receive inter...
What is the function of HalAssignSlotResources? HalAssignSlotResources(IN PUNICODE_STRING RegistryPath, IN PUNICODE_STRING DriverClassName, IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT DeviceObje...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[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]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]