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1. Task Communication Method 1.1 Shared Memory There are two ways to communicate between processes. One is to use shared memory, which is basically independent of the OS and has no corresponding ...[Details]
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When porting QT4.5 to mini2440, I encountered the problem of displaying Chinese in QT. Based on the information searched on the Internet, the solution is summarized as follows:
Step 1: Dow...[Details]
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As a light-emitting device with low power, long service life and low energy loss, light-emitting diodes have been popular in China for nearly 20 years. Due to their special performance advantages, th...[Details]
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OnePlus 9R has officially started recruiting for the ColorOS 12 upgrade public beta, and users can submit applications. Today, Liu Zuohu posted on Weibo, explaining the development process of ColorOS...[Details]
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At present, the development of the Internet of Vehicles has become one of the main tracks for the development of China's automobile industry. In the "Action Plan for the Development of the Internet o...[Details]
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On the basis of FIG1 , a control level is connected to one input terminal of the NAND gate F1 to form a controllable oscillator, as shown in FIG2 .
In the figure, when the controllable level is "1"...[Details]
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The basic components and functions of UPS power supply are briefly described as follows:
Generally, UPS power supply is mainly composed of charger (CHARGER), inverter (INVERTER), static switch (SY...[Details]
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In the STM32F1 series, timers TIM1 and TIM8 are hung on APB2, while timers TIM2, 3, and 4 are closed on APB1. In engineering, we usually set APB1CLK = 36M APB2CLK = 72M But why do these timers use 72...[Details]
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San Diego, February 8, 2022 – Qualcomm Technologies, Inc. and Ferrari today announced a strategic technology collaboration to help accelerate Ferrari’s digital transformation. Qualcomm Technologies w...[Details]
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1. Introduction
This article introduces a high-power parallel UPS synchronous control solution based on TI's TMS320C240 DSP controller. The synchronization with the power grid and the sync...[Details]
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In everyday life, we rely on the measurements we see on screens or computers. For example, the speed reading on a car dashboard, a temperature gauge in a lab, or the display on an oscilloscope. ...[Details]
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There is a difference between using the reset method (synchronous reset method) in an integrated counter with a synchronous reset function and using the reset method (asynchronous reset method) in an...[Details]
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Shanghai, China, September 14, 2023 - Toshiba Electronic Components and Storage Corporation ("Toshiba") today announced the further expansion of the ThermoflaggerTM over-temperature detection IC prod...[Details]
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Evolution of the USB Platform
Since the introduction of USB, the USB-IF has continued to release new variations of the interface standard. In 2000, the USB-IF introduced USB 2.0, which provided us...[Details]
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Power supply design has always been a difficult problem faced by engineers. With the improvement of global awareness of energy conservation and environmental protection, designing simple, efficient...[Details]