The development environment is keil realview mdk, the source code is attached. There are two main problems: 1. When configuring GPIO, use the GPIOPinConfigure function, but GPIO_PXX_M0PWM0 is not foun...
Why does the signal have to pass through the NAND gate before reaching the destination (AND with the high level, equivalent to no change); is there any harm in passing it directly?...
Does STM32 need CPU to be involved continuously when writing SPI flash? I mean, can the CPU do other work when writing SPI FLASH, such as ADC.In fact, this is the main summary of my other question." A...
The program running under xpe needs to realize the function of no mouse and no keyboard. It runs normally when the mouse is plugged in. After unplugging the mouse, the mouse cursor on the screen disap...
1. The equipment is a constant pressure PID control system for the water supply pump in the hot water heating boiler room;
2. During debugging, it was found that the system pressure was controlled at ...
void main(void) { int t; Init_CLK(); uint ch[8] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80}; Init_Port(); t=KeyScan(); P5DIR=0XFF; P5OUT=ch[t]; while(1); } After using while, the output of P5 is corre...
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[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]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
LonWorks fieldbus technology is widely used, for example, in intelligent buildings, industrial control, environmental protection, etc. Echelon's LonWorks system has been used in the products of tho...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
Microcontroller MCU
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