I am a novice, this is my first time to post a help thread, please forgive me, I also hope to get help from you all, the A/D I use is 0804, the input A/D voltage signal is adjusted by the potentiomete...
[align=left]Linux needs to set a 10s timer, which counts down by seconds, and starts a thread every second to compare the data status of the sender and the receiver. How can this be achieved?...
BLE protocol: PHY layer: 1Mbps adaptive frequency hopping GFSK (Gaussian frequency shift keying), running in the license-free 2.4GHz band. LL control layer: control the chip to work in one of the five...
01 SCCB interface design based on minimalist design method SCCB is similar to IIC interface and is a commonly used peripheral interface, often used in camera configuration and other fields. This video...
[i=s]This post was last edited by hongyancl on 2014-7-14 22:52[/i] In bare metal development, jlink is a powerful tool, simple and easy to use. Jlink is prone to losing firmware during debugging, resu...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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 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]
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]
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. 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]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[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]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
Whether in mobile phones, high-end handheld instruments or embedded systems, 32-bit MCU ARM occupies an increasing share, and ARM has become the de facto industrial standard for high-end products...[Details]
Abstract Audio equalizer is one of the important tools for adjusting the timbre in audio system. This paper proposes a design of digital audio equalizer based on ADSP-BF533 hardware platform, and i...[Details]