[i=s] This post was last edited by yuchongjike on 2018-10-23 10:21 [/i] Requirements: Use GPIO's HI/LOW to control the switching of related lines, as shown belowFigure 1: Two audio output ports, conne...
[table=98%][tr][td][table=98%][tr][td]I have a question. Today I made a hardware circuit for playing music. It worked well when I downloaded it in the lab, but when I downloaded it on the learning boa...
I'm looking for SMDK2440 three serial ports WINCE4.2 driver, requiring stable high-flow data communication, thank you very much! ! ! My email is hlq8210@163.com...
Previously, IIC slaves were all 8-bit address EEPROMs such as 24C02. Now I want to use LPC1114 as a slave, but the address of 1114 is a 32-bit address. How should I write the address to write data int...
CDEFINES=$(CDEFINES) -DXXXX // Macro definition #ifdef XXX //#if or if defined??? sources = ..... #else sourecs = ...... #endif if TARGETTYPE=DYNLINK esle TARGETTYPE=LIB endif Is there a statement lik...
[color=#FF0000]OSTCBList [/color] points to the beginning of this linked list. When a task is created, it is always placed at the beginning of this linked list. In other words, OSTCBList always points...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[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]