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Acoustic Test Chambers and Environments
Test chambers are special environments that assist in making acoustic measurements. They have two main purposes:
• To create an environment where the...[Details]
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1 Introduction
The electric energy
production and consumption system
consists of power generation, transmission, transformation, distribution and consumption
. Its function is to co...[Details]
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Today I wrote the driver for the OLED screen SSD1309, using SPI2. The screen only receives data, not sends data to the microcontroller, so only CS, SCK, and MOSI are connected in hardware, and the MI...[Details]
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Recently, DXOMARK announced the screen score of Google Pixel 6 Pro - 90 points, ranking seventh in the DXOMARK ranking list. DXOMARK says that the screen of this device from Google is basically s...[Details]
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At present, the increasingly deteriorating electromagnetic environment has made us gradually pay attention to the working environment of the equipment and the impact of the electromagnetic environment...[Details]
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On March 16, 2021, Qualcomm Incorporated (NASDAQ: QCOM) announced today that its subsidiary Qualcomm Technologies, Inc. has completed the acquisition of NUVIA, a world-class CPU and technology design...[Details]
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3x3 Matrix Keyboard Introduction
Matrix keyboard, 3×3 matrix keyboard, digital tube display corresponding keys, dynamic scanning, interrupt realization.
The pull-up resistor attribu...[Details]
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In many applications today, the required input voltage rating exceeds the VIN maximum rating of many existing DC/DC controllers. Traditional solutions include using expensive front-end protection or ...[Details]
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System functions Use C8051F to drive PCF8563 clock chip to display the clock. hardware design LCD12864 LCD circuit schematic diagram Using C8051F to drive PCF8563 clock chip circuit schematic d...[Details]
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On July 12, Shanxi Yuhao's new optical materials project was successfully signed and settled in Suxitong Park, Nantong, Jiangsu. It is reported that the total investment of the project is about 1 b...[Details]
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The content of this paper is a portable automobile instrument test system based on LabviEW. Therefore, we must first study the types and structures of instruments, understand and analyze the structur...[Details]
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1. What is an encoder?
During the operation of the motor, the current, speed, relative position of the circumferential direction of the shaft and other parameters are monitored in real time to...[Details]
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CAN bus (Controller Area Network) is a communication protocol used in the automotive and industrial fields. It has high reliability, real-time and flexibility. In the CAN bus system, the repeater i...[Details]
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2020 is about to pass. Looking back at the development of China's semiconductor industry, it is not easy to achieve quite good results under such difficult conditions. The United States has used the ...[Details]
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Compared with the current mainstream FinFET devices, nano-ring gate devices (GAA) have more advantages in miniaturization, high performance and low power consumption, and are generally considered to ...[Details]