I would like to ask an expert about voltage. For example, is the maximum output voltage of 7805 only 5V? Is the maximum output voltage of ur133-1.5 only 1.5V? Thank you. When I use it for constant cur...
I would like to ask, does anyone have the subroutine of the PIC16F1397 LCD driver? I need it urgently! If you have it, can you leave me a message? Thank you!...
My device does not support fat format now. If I format it with fat, it will not work properly. But now I can format it successfully with fat on PC. This brings hidden dangers to subsequent operations....
After about a week, finally only the driver part is not done, and several drivers have not been compiled. Please give me some advice, and try to get the top score within this week. I will post it imme...
[i=s]This post was last edited by ddllxxrr on 2021-4-6 19:59[/i]I received the email this morning and started the review in the evening.
First, the photos:The information is at https://pan.baidu.com/s...
STMicroelectronics ( ST ) Announces Roadmap for ARM Cortex-M4 and -M0 Microcontrollers ; Launches New STM32 F-2 Series to Take Advantage of Cortex-M3 PerformanceSTM32microcontrollers based on the ARM ...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]