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Embedded systems are now widely used in various fields such as information appliances, network communications and industrial control. A typical embedded system is mainly composed of embedded hardware...[Details]
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In recent years, the application of light-emitting diodes (LEDs) has been growing, and its market coverage is very wide, including automotive lighting applications such as indicator lights, spotlight...[Details]
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At first I wanted to use interrupts, but in the end I ended up using code.
#include
#define uchar unsigned char
#define uint unsigned int
uchar code tab ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,...[Details]
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1 Introduction
There are currently five challenging issues with switching power supplies, one of which is whether they can be miniaturized. An important way to miniaturize switching power ...[Details]
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Samsung recently launched the Galaxy Note20 series at the Unpacked 2020 event, and it is safe to assume that the company has already started working on its next flagship series, presumably the...[Details]
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1. This design uses STC89C51/52 (compatible with AT89S51/52, AT89C51/52, optional) microcontroller as the main controller 2. Use Hall sensor to measure motor speed contactlessly · 3. LCD1602 liquid c...[Details]
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Due to the characteristics of piezoelectric ceramics, piezoelectric accelerometers will produce different degrees of charge output in response to sudden changes in temperature. The transient temperatu...[Details]
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The portable headphone amplifier circuit is very easy to build as it uses only 3 transistors. The portable headphone amplifier can be directly connected to a CD player or a record player.
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At present, off-grid wind power generation has become an important application direction in renewable energy generation due to its economic, convenient and practical characteristics. Due to the drasti...[Details]
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Our column was originally written for automotive engineers. In order to continue our technical style, in 2023 we will continue to collect information from technical papers and technical Worhshop to d...[Details]
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Recently, the "HiHope Community" public account announced that Runhe Software has completed the OpenHarmony standard system adaptation based on domestic 4G chips, which means that the HiHopeOS standa...[Details]
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IDC published preliminary data on global smartphone shipments in Q2 2019. From the perspective of market share, on the one hand, Samsung's seven-year championship position remains unchanged; on the o...[Details]
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1. Data rounding rules 1. Significant figures Due to the presence of errors, the measured data and the arithmetic mean calculated from the measured data are approximate values. (1) If the last digit ...[Details]
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In addition to focusing on the audio and energy fields, Cirrus Logic launched the CS161X series of digital LED controllers after three years of intensive research, announcing that the company has o...[Details]
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The intelligent soft start cabinet is an electrical device used to control the start and stop of the motor. It controls the starting current and voltage of the motor to achieve smooth start and sof...[Details]
GD32 MCU
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