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1 Introduction
HHCE (Home Health Care Engineering) is gradually entering people's lives as people pay more attention to health and telemedicine develops. It advocates the concept of "seeki...[Details]
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The author built a home photovoltaic power generation system by himself, using DSP to generate SPWM inversion . Frequency conversion is actually very simple, but connecting to the grid took a lot of ...[Details]
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Jiwei.com reported on April 8 that following Taobao Special Edition, Xianyu recently submitted a mini program application to WeChat. After approval, the platform will support users to purchase idle i...[Details]
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1 Overview
Electronically controlled injection technology is an important technical measure for energy conservation and environmental protection of automobile engines. At present, the automobile in...[Details]
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Let's go off topic first~ It's said on the Internet that the IIC of STM32F103 has defects! Just treat it as some shortcomings. Personally, I think it's definitely fine to use, but it's just not easy ...[Details]
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Ultrasonic waves are often used to measure distances due to their strong directivity, slow energy consumption, and long propagation distance. For example, distance meters and level meters can be ...[Details]
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1. Problems in the selection of steam flowmeters. Some vortex sensors are selected with a larger size due to changes in process conditions during the selection of caliber or after the design selectio...[Details]
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According to official news released by Fuzhou, the special investment promotion meeting of the 3rd Central Region Substation Equipment Industry Summit was held in Chongren, Fuzhou on the morning of D...[Details]
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1 Overview
The automatic meter reading system is an automated management system that can complete the recording of user meter data without the need for human presence on site. ZigBee technology...[Details]
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To understand the segmented memory function of the oscilloscope, let us first look at what problems this function solves and what its value is. First of all, we must make it clear that the digital ...[Details]
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Yes, you read that right. Recently, Europe and the United States have implemented the electrification of heavy-duty vehicles. The first to bear the brunt of the design is the ultra-advanced chargin...[Details]
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The monolithic integrated FM transmitter circuit composed of MC2831A and peripheral components is shown in the figure. The operating voltage of MC2831A is 3~9V. The frequency of the crystal SJT is ...[Details]
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Zhidongxi reported on March 28 that today, 360 Group Chairman and CEO Zhou Hongyi, despite having a high fever, held a "Zhou's IoT Spring Conference". At the conference, 360 launched the home securit...[Details]
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Select IO mode in STM32 (1) Floating input_IN_FLOATING - floating input, can be used for KEY identification, RX (2) Pull-up input_IPU - IO internal pull-up resistor input (3) Pull-down input_IPD - IO...[Details]
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A single-phase to three-phase inverter is a power conversion device that converts single-phase AC power into three-phase AC power. It is widely used in industrial automation, power systems, househo...[Details]