1. The concept of ACPI ACPI: Advanced Configuration and Power Interface ACPI has the following modes: S0 Normal. S1 CPU stops working. S2 CPU shuts down. S3 All components except memory st...
[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:12[/i]In the previous chapter, we mentioned that the communication between PC and EC-01F has been established. Now we start to create Socket...
I have a 4-electrode conductivity electrode. I use a 1khz 2.5V square wave to excite the electrodes and connect two 470k resistors in series. I first found that the voltage on the electrodes is not sy...
This tutorial is mainly for the STM32F04x series of microcontrollers. For the clock of the STM32 microcontroller, people who have used STM32 must be more clear. STM32 is a microprocessor based on the ...
LED light display module The LED light display module is mainly composed of three-level LED lights during simulation. The P2.0, P2.1, and P2.2 ports are used to control the conduction and cutof...[Details]
1. Flatness
The surface flatness of the display screen should be within ±1mm to ensure that the displayed image is not distorted. Local protrusions or depressions will cause blind spots in th...[Details]
Nexperia’s 50µA Zener diode portfolio extends battery life and saves PCB space
The full range of products covers various applications from 1.8V to 75V
Nijmegen, January 27...[Details]
MIC first converts the natural sound signal into an audio electrical signal, and then couples it to the base of Q through C2 for modulation. When there is a sound signal, the junction capacitance of ...[Details]
Seoul, October 26, 2021 – SK Hynix Inc. (or ‘the Company’, www.skhynix.com) today announced its financial results for the third quarter of fiscal year 2021 ending September 30, 2021. The Company’s co...[Details]
BittWare Expands Intel® Agilex™ FPGA-Based IA Series Accelerator Product Line to Address Data-Intensive Compute, Networking and Storage Workloads
CONCORD, NH – June 25, 2021 – BittWa...[Details]
1. Overview
IEC61850 is an international standard for communication systems and distributed energy (DER) management in substation automation systems (SAS). Through the implementation...[Details]
Mercedes-Benz recently announced that it will add a new operating system to its 2024 models. The name of the system is very concise, it is called Mercedes-Benz Operating System, or MB.OS for short. U...[Details]
Jiwei.com reported on July 22 (by reporter Zhang Yiqun) The rivalry between Xiaomi and Gree does not seem to have stopped just because the famous 1 billion bet between Lei Jun and Dong Mingzhu was se...[Details]
Many data acquisition systems connect directly to the sensor . As with all measurement systems, errors must be identified and minimized as much as possible. Errors due to thermal drift, EMI/RFI, inte...[Details]
1. Introduction: Design Challenges of Automated Test Systems
测试管理人员和工程师们为了保证交付到客户手中的产品质量和可靠性，在各种应用领域 (从设计验证，经终端产品测试，到设备维修诊断) 都采用自动化测试系统。他们使用自动测试系统执行简单的“通过”或“失败”测试，或者通过它执行一整套的产品特性测试。由于设计周期后期产品瑕疵检测的成...[Details]
Abstract: The discrete frequency coded sequence set is a set of orthogonal coded waveform sequences with good autocorrelation and cross-correlation. Its signal can improve the target search, tracki...[Details]
1. Introduction
Switching power supplies have been widely used in the fields of electronics, electrical equipment, and household appliances due to their small size, light weight, high...[Details]
People who cannot tell the difference between an oscilloscope and a spectrum analyzer often make jokes. To avoid embarrassment, this article briefly summarizes the following four points - using real-...[Details]
First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
Power technology
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