[i=s]This post was last edited by Yaojishanchuan on 2021-3-16 14:32[/i]The boot logo of the ITOP-3399 platform is divided into two stages, namely the logo of the u-boot stage and the logo of the kerne...
The day before yesterday, I posted a thread in this forum, discussing how to write a function in MDK5 to display a complex string on the TFT screen, such as LCD_SHOWSTRING ("aa我我"). To display this st...
Analog IIC is a relatively simple way to lock IIC. It is easy to program and modify. So I usually use analog IIC for IIC operation. The OLED program is based on the OLED display code of Zhengdian Atom...
Our platform is 2440, wince5.0, when tested on a virtual machine, there is no problem playing wmv files, but when it is played on the board with ceplayer, it is very stuck, but it is acceptable to pla...
It is reported that in the current economic downturn, it is the [url=http://www.eepw.com.cn/news/listbylabel/label/智能手机][size=2][color=#000000]smartphones[/color][/size][/url] that have driven the gro...
I designed two power supplies on my board, one provides 3.3V/850mA to power the MSP430 microcontroller, and the other provides 4V/3A to power the GPRS module. My teacher suggested that I add ferrite b...
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]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
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]
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]
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]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[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]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]