When debugging STM32, the lower right corner of keil mdk t1 will show the execution time of each function. As shown in the figure: t1 will count the time and you can see it. At this time, software sim...
[i=s] This post was last edited by jameswangsynnex on 2015-3-3 19:58 [/i] 1 What standard does HCMOS refer to, and what is the difference between it and HCMOS? 2 What unit is LS-TTL? ? 3 In a crystal ...
Friday, July 28, 2006 20:46:13Experiment on the effective value method of power consumption measurement Measure test for RMS method of power lossAbstract: This paper derives the calculation formula fo...
[i=s]This post was last edited by yl20084784 on 2014-10-27 17:34[/i] [size=4]I've been debugging the serial port 1 of an MSP430 recently. Sometimes it can send and receive normally, but it stops worki...
[i=s] This post was last edited by dontium on 2015-1-23 11:35 [/i] Based on the characteristics of LDC1000, a vehicle detection test board was made. The processor used is STM32F103, and the SPI read a...
[i=s]This post was last edited by ysf108 on 2014-6-21 17:13[/i] As the title says, I made a temperature acquisition program for the first time. I used configuration software + Altai's MODBUS data coll...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[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]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[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]
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]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[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]
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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[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]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]