Introduction Cash registers are electronic products that are becoming popular in various commercial fields. Since the use of cash registers can simplify commodity management and save manpower, variou...
[size=4]Based on different working principles, power supplies can be divided into three categories: linear regulated power supplies, switching regulated power supplies and charge pump power supplies. ...
Why do most microcontrollers developed in C language use global variables?01 IntroductionGlobal variables are simply the Golan Heights of embedded systems. The two most intensely conflicting parties a...
[i=s]This post was last edited by hotsauce1861 on 2018-11-10 12:59[/i] I have been quite busy recently. Because of all kinds of things, I have become a little overworked and fat, so I still need to ta...
It is similar to using the MCU's PWM to make a low-precision DAC.
I made a spreadsheet.
Please check if the calculation process is correct.
PWM voltage calculation.xlsx...
First of all, I wish you all a happy new year.I found that I lost an E-coin when I bought something. Can I exchange it for one through Alipay or WeChat?
Thanks...
Experience summary: Analysis of the cause of MSP430F147 crash when the power supply is unstable and reset frequently.
In my system, I need to deal with the situation where the power supply is extreme...[Details]
As a global electronics industry organization, IPC—Association Connecting Electronics Industries® is committed to enhancing the competitive advantages of its members and helping them achieve commerci...[Details]
;This program is used to verify the watchdog and overflow time calculation formula of STC12C2052AD series microcontroller ;Watchdog and overflow time = (12 * Pre_scale *32768)/Oscillator Frequency ...[Details]
When choosing a suitable multimeter, usually the accuracy and range must be considered. In addition, more detailed indicators are also needed for some special measurements. This article will introduc...[Details]
Recently, Tianjin TEDA Haihe Intelligent Manufacturing Industry Development Fund (hereinafter referred to as "Taihai Fund") and Weier Investment, a subsidiary of Weier Holdings, jointly established W...[Details]
This review starts with the Tamron 28-75mm F/2.8 Di III RXD from last year: thanks to its excellent portability, large aperture of F2.8 and good image quality, the author has watched this lens rise f...[Details]
Xiaomi's MIUI official Weibo recently released a summary of Xiaomi Health's "MIUI Manager Online" column, answering many questions that users are concerned about, such as water drinking reminders and...[Details]
Jiwei.com reported on October 13 (Text/Ye Zi) that this morning, Nut Mobile released a pre-launch poster for its new product. The poster shows that the upcoming Nut flagship phone is equipped with a ...[Details]
As one of the country's key infrastructures, the ubiquitous power Internet of Things will interconnect everything across layers and domains in cyberspace after its completion. Once a cyber war brea...[Details]
The topic of spontaneous combustion and safety of electric vehicles has always attracted attention. Almost all electric vehicles with high sales in the Chinese market have experienced spontaneous c...[Details]
The secondary system of a smart substation usually includes electronic transformers, merging units, switches, protection and measurement and control equipment. These devices must operate based on a u...[Details]
The three-phase uncontrolled rectifier in Figure 1 is replaced by a controllable converter, and three high-frequency choke reactors are connected in series at the three-phase power input end to suppr...[Details]
Then analyze the i2c data transmission process. First, open the i2c device, such as open("/dev/i2c/0"), and call the following function in the kernel static int i2cdev_open(struct inode *inode, s...[Details]
A perpetual calendar optimization algorithm source program suitable for 51 series single chip microcomputer
1. Gregorian calendar algorithm
For the specific algorithm, see the function Void get_sol...[Details]
Cheling Technology is headquartered in Hangzhou, with offices in Shanghai and Wuhan. It has more than 400 employees, 90% of whom are R&D personnel. On October 15, 2024, at the 2nd Great Wall Motor ...[Details]