It is like this. I now define a typedef union _unfloat { unsigned char bydata[4]; float fdata; }unfloat; outside main() and then void main() { unfloat qq; while(1); } Why does the compiler say that I ...
A little sister of mine will have surgery in a few days. She is less than 5 years old but has to suffer this pain. As her brother who is thousands of miles away, I can't do anything. I am here to pray...
/* Set the timer to 1 second to control the flow speed of the water lamp*/ #include
typedef unsigned char u8; typedef unsigned int u16; void tim0init()//Timer 0 initialization{ TMOD=0X01; //t0 mode 1 ...
1. After the Spring Festival, express delivery was temporarily stopped, so the new devices did not arrive. Mainly compared the interface selection of I2C and UART.
2. The SGP40 chip provides an I2C in...
First of all, please prepare 7G of free space on your hard disk, otherwise the installation may not be successful.
1. Go to the Silicon Labs website to download the SS5 installation package and instal...
[size=5]Set some goals for myself in 2018 1. In the 7th year of work, I will make some technical breakthroughs and find the understanding that suits me. 2. Continue my marathon journey and exceed 2500...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[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]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]