I have a question. I want to control the microcontroller through the serial port. The transmission of the control signal is realized by adding a carrier wave to the power line. I think the key is to m...
1. GetClientRect() gets: {top=0 bottom=110 left=0right=364 The drawable area inside the control is obtained, plus the size of the border is the size of the entire controlGetWindowRect() gets: {top=63 ...
[i=s]This post was last edited by dontium on 2015-1-23 13:27[/i] Hello: We bought your company's TMS320DM642 EVM experimental board! I would like to ask why a 22 ohm resistor is added between the EMIF...
In my oal startup.s, there are: ldr r0,=LOCKCON0 ; Set lock time of MPLL. added by junon mov r1,#0xe10 ; Fin = 12MHz - 0x800, 16.9844MHz - 0xA00 str r1,[r0] ldr r0,=LOCKCON1 ; Set lock time of EPLL. a...
The image displayed on my BBB is not in the center of the image, but is offset to the right. Why? Also, I am a little confused now, why did I have to boot from the SD card instead of eMMC? I found tha...
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
Today's automotive application developers face numerous design challenges as modern cars add more electronic functionality, while the need for lower power consumption and smaller printed circuit bo...[Details]
MCU
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