I am studying the WINCE5.0 key driver. There is a compilation issue about pddlist.cpp that I have not figured out. There are these files in the following directories: D:\WINCE500\PLATFORM\SMDK2410\SRC...
2421 is quite satisfactory in actual test. One is in the room, the other is in another room. There is 30 meters between the two rooms. There is a road across the middle. There are cars passing by. Abo...
Why does the sine wave oscillator circuit output a square wave? Please help [img]data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAP0AAAG5CAIAAADK6aVlAAAfoElEQVR4nO2dvdG7PtaGTxtbANvAmxJsBTtD/maE/5RoZ 3Zm...
TSP_GetXY(INT *px, INT *py) //修改{ INT i; INT xsum, ysum; INT x, y; INT dx, dy; xsum = ysum = 0; for (i = 0; i ADCTSC = (0ADCCON |= (1 ADCCON & 0x1); /* check if Enable_start is low */ while (!(v_pADCr...
Yesterday I talked with Xiang Nong, and she suggested that I do a survey on AVR. Today I decided to post a thread to see what everyone thinks. The low price of AVR microcontrollers is an indisputable ...
As shown in the figure. COM is the output register of the microcontroller (I did not post the source code, but just wrote a test code, which is simple and clear). Because the register address offset c...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[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]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[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]