Hello everyone! I have an MSP430F123 chip on hand, and I want to know what its default internal crystal frequency is! But I have searched a lot of information and it doesn't tell me! Can you tell me? ...
Our company is engaged in the localization development and maintenance of electronic control systems for imported coal mining equipment. The work locations are in Xi'an and northern Shaanxi. Salary an...
I recently tried to draw the PCB diagram by myself. I planned to draw a core board first, including the 2812 chip, power chip, extended memory IS61LV51216 and SST39VF400, pin extension and other basic...
[size=4][color=#222222][font="]Current electronic products are constantly developing towards high performance. From multi-functional mobile phones, high-end digital cameras, to various game consoles, ...
A cute little companion for your desk that helps you focus on your work and have small breaks between tasks. Feed by completing a set of timed tasks.The idea behind Pomodachi is to combine a tomato ti...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:26 [/i] I was going to use direct calculation, but later found that it was not compatible with our hardware. I could only use table lookup, ...
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]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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]
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]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
Microcontroller MCU
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