[i=s] This post was last edited by paulhyde on 2014-9-15 03:38 [/i] Using dac902+opa690, there is about 2k interference signal of about 600mv on the power line. It is better after adding a capacitor b...
LPC1343 uses PIO0_9/MOSI/CT16B0_MAT1/SWO and SWCLK\PIO0_10/SCK/CT16B0_MAT2 and SWDIO/PIO1_3/AD4/CT32B1_MAT2 as serial debug pins. These are function-shared pins and it is best not to use these three p...
One of the world's top 3 large medical device companies is looking for biomedical equipment RD talents. The work location is Shanghai. The salary is 15K~20K/M * 13M. Excellent benefits.Require:
1. PhD...
Well, I have forgotten why I didn't join the group purchase of Hot Wheels. I want to make a touch sensor recently. After reading the documents for two days, I finally got some ideas. I made a Csensor ...
At first, my code was written with the two functions EnumDisplaySetting and ChangeDisplaySettingsEx, but later I heard that WindowsCE3.0 does not support it. The problem is that when I use this to rea...
Cortex-M0 processor core exception interrupt introduction The Cortex-M0 core is equipped with an exception response system that supports a variety of system exceptions and external interrupts. Among t...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[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]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[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]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[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]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]