There should be only a few categories: 1. Power supply 2. Signal source 3. Radio 4. Amplifier 5. Instrumentation 6. Data acquisition preprocessing and analysis 7. Control...
Dear MCU enthusiasts, if you are interested, please join the MCU enthusiasts group: 100955523, which is an alliance for everyone to exchange and share technology. . ....
The company is looking for a WINCE driver engineer who can write WIN32 applications. How much is the salary? I don't know the company's name? Add me and I'll tell you QQ: 502240410. Oh, by the way, th...
Is there anyone who uses multisim who can help me? The resolution is too low. How can I set it? It went from 48.245 to 51.979. Can I change it? How? I want 0.1 or 0.5. [img]file:///C:/Users/Administra...
A friend's electronics factory went bankrupt. Here are brand new electrical panel PCBs, each packaged separately.There are TM1621 display driver chip, CA724048 voice processing chip, NXP PCF8563T cloc...
[align=center][size=5]The difference between static and extern[/size][/align][align=left]static: 1. In [font=Arial]C[/font][font=宋体], [/font][font=Arial]static[/font][font=宋体] mainly defines global st...
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
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]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[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]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
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]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[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]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]