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In order to measure the time r and to ensure that the accuracy of the measured angle φ is not affected by the grid frequency (or period T), the interface circuit shown in the figure is used. The ...[Details]
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Currently, new air conditioners use two main low voltage outputs to power internal electronics. The low voltages of these two main outputs are +12V and +5V respectively. The low output voltage is gene...[Details]
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Benefiting from the explosive growth of TWS headsets, the revenue and net profit of lithium-ion battery supplier Chongqing Zijian Electronics Co., Ltd. (hereinafter referred to as "Zijian Electronics...[Details]
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LED weldingLED welding curveLED
welding conditions
1. Soldering with soldering iron: The tip temperature of the soldering iron (maximum 30W) shall not exceed 300℃; the soldering time...[Details]
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1. Introduction
Temperature is one of the most common and basic parameters in industrial production. It is often necessary to detect and monitor the temperature during the production process. ...[Details]
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1. Overview
The keyboard is a collection of push-type switches and is an indispensable input device for the microcomputer system, used to input data and commands. Each key of the keyboard is as...[Details]
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Output ripple noise plays an important role in designing power supply circuits, but how much is appropriate? If the requirements are relaxed, the ripple noise is too large, the circuit cannot work pr...[Details]
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1 Introduction
Information acquisition mainly includes the acquisition, storage, processing and control of signals and data. It first collects and records the physical analog quantities of the...[Details]
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Abstract: This paper describes the system composition of the dual-channel high-speed serial data communication interface card between PC and laser ranging radar. Key issues such as the RS-422A h...[Details]
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"Automotive functional safety standard ISO 26262 is an international standard for electrical/electronic functional safety in the automotive field, which runs through the entire life cycle of the vehi...[Details]
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When using the serial port of the STC51 microcontroller, sometimes a very strange situation occurs, that is, the program runs dead as soon as it enters. The initialization code is as follows: void ...[Details]
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1 Yes, it can be used. To understand it, you need to look at the timing diagram of HT6221. 2 3 C51 infrared decoding program, you can modify it as needed: 4 /////////////////////////////////////...[Details]
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As we all know, AMOLED, as a flexible display technology, has always been the focus of attention in the industry. Recently, an AMOLED flexible display touch module and 5G smart terminal project wit...[Details]
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Abstract: This design uses AVR microcontroller as microcontroller, combined with pressure sensor, AD7705, LCD1602 to realize a high-precision multifunctional digital electronic scale. The article i...[Details]
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my country's new energy vehicle industry is developing rapidly. High-power charging can meet consumers' demand for fast charging and is an important development direction of electric vehicle chargi...[Details]
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