int user_start()
{int nBytes=0;int num=0;char buffer[20];int nByte=0;int fd=0;char buf[200];time_t seconds=0;time_t tim;if((fd=open("/tyCo/2",O_RDWR,0))==ERROR){printf("Error to OPEN the serial!");exi...
I am programming on LPC2103, but I don't have a deep understanding of the UART port of this chip. Now I want to write a program that simply uses interrupts to receive information sent by the computer....
I used a 52 experimental board, the software is progisp, which was borrowed by a classmate for half a year. I found a HEX file, clicked to load FLASH, turned on the power, and then clicked automatic. ...
I contribute a DSP2407A with AD conversion and serial port sending and receiving functions program and schematic diagram. DSP2407A with AD conversion and serial port sending and receiving functions pr...
Wuhan Shenzhou Weiye Electronics Co., Ltd. is recruiting embedded software design engineers > Requirements > 1. Bachelor degree or above, graduated from computer, electronic information and other rela...
_T2Interrupt(void) { IFS0bits.T2IF=0; LED2=1; } This is the timer 2 I set according to the manual, but the LED is always off. The interrupt entry program is correct. After the interrupt flag is manual...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]