[i=s] This post was last edited by dontium on 2015-1-23 13:23 [/i] This has been bothering me for a long time. I use 2407A.My implementation method is to use EVA to control the motor's PWM and capture...
[size=4]1. MCU selection[/size] [size=4] [/size] [size=4]When selecting an MCU, you need to consider the functions that the MCU can perform, the price of the MCU, power consumption, power supply volta...
My question is this: I use the Ulong 2440 development board, remove the camera, and then use the camera port to connect the chip TW9910 on my other board. When I use i2c to drive the chip on the other...
What is the use of SysTickIntHandler, the system tick timer interrupt? I saw that "lwIPTimer(SYSTICKMS);" was called in its interrupt service routine. In lwIPTimer(SYSTICKMS);, " SYSTICKMS " was simpl...
Master Zhaojun, I bought a copy of your book the day before yesterday. I took a quick look at it and found some errors in the printing . For example, CPU is written as cup. The interrupt response time...
I just came to this forum not long ago, but I have a special feeling! ~ I think the forum members in our forum are all very good and well-educated! ~ But what I don’t understand is why there are so fe...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]