I used STM32 to write a matrix keyboard program. It was originally a query method, but now it has been changed to a timer method.Schematic diagram:void KEY_Init(void){GPIO_InitTypeDef GPIO_InitStructu...
1. Interrupt nesting, the control bit of the priority430 general interrupt is the GIE bit in the status register (this bit is in the SR register). When this bit is in the reset state, all maskable int...
[size=4]1. Not familiar with the internal structure of FPGA and the basic principles of programmable logic devices. Why is FPGA programmable? I am afraid that many novices do not know, and they do not...
Transmit power is the main technical indicator of radio transmission equipment and one of the technical indicators that radio management departments need to test. This article mainly introduces severa...
While I was working hard on ucLinux, I also became interested in embedded real-time operating systems. The first real-time operating system I came into contact with was uC/OSⅡ. At that time, I started...
[i=s]This post was last edited by cybertovsky on 2022-4-9 21:20[/i]Last week, the letter A fell from top to bottom.
This week, we will implement long press and short press to eliminate the letter A. T...
Wi-Fi 6/6E and Wi-Fi 7 chipsets for client and access point solutions are in development, Includes unique Doppler imaging technology that combines connectivity with WIFI awareness November 16, 202...[Details]
According to foreign media reports, researchers at the University of Adelaide in Australia have made progress in sulfur battery technology. In the near future, the number of times a battery can be ch...[Details]
FP6293 is a current mode step-up DC-DC converter. Its PWM circuit with built-in 0.14Ω power MOSFET makes this regulator highly efficient. The internal compensation network can also minimize up to 6...[Details]
U.S. Commerce Secretary Gina Raimondo said on Friday that after meeting with semiconductor industry executives, she reached a consensus that solving the chip shortage is a top priority. In a statem...[Details]
IT Home reported on May 17 that Apple had just pushed the official version update of iOS 15.5 (version number: 19F77) to iPhone users in the early morning of Beijing time.
iOS 15.5 New F...[Details]
With the increasing variety of application scenarios such as AIoT, intelligent monitoring, face recognition and autonomous driving, the market has also put forward new requirements for the performanc...[Details]
TOP2XX series IC is a kind of three-terminal switch power supply chip that integrates control circuit and power switch. The package form of this kind of chip is TO-220. The pin name and function ar...[Details]
In audio processing, the equalizer can change the frequency response characteristics of the audio signal, thereby compensating for the defects of the signal during transmission or achieving a speci...[Details]
Avoid damage to oscilloscope current probe and instructions for use of current probe
I. Through the fault analysis of damaged current probes, it is found that the parts of the probe that are easily d...[Details]
On the morning of April 14, Apple and Google announced an unprecedented collaboration last week. They will work together to build a system to warn people if they have come into contact with som...[Details]
As a backup power source, batteries have been widely used in computer networks, communications, electricity and other fields. The charge of the battery is closely related to the reliability of the en...[Details]
Due to oversupply in the LCD panel market, its price has continued to decline, affecting the performance of panel companies. For this reason, South Korean manufacturers such as Samsung and LGD have a...[Details]
On May 6, ST Electric Power issued an announcement on the completion of transfer registration of the controlling shareholder's state-owned shares free of charge. It was disclosed that the company re...[Details]
As we all know, the definition of industrial camera is a key component in the machine vision system. Its essential function is to convert light signals into orderly electrical signals. If you want to...[Details]
stm32/stm8
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