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On November 2, the comprehensive smart energy project of Dashiqiao Citizen Activity Service Center of Benxi Thermal Power Branch of Northeast Company was officially put into operation. With the typ...[Details]
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introduction
LED is the abbreviation of Light Emitting Diode. Its basic structure is a piece of electroluminescent semiconductor material. The core part is a chip composed of p-type semiconductor ...[Details]
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Recently, the results of the "Top Ten Science and Technology Terms of 2023" selection activity initiated by the National Science and Technology Terminology Review Committee and a number of authorit...[Details]
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Recently, the "new infrastructure" with 5G as the core is in full swing: 5G base station construction UHV Intercity high-speed railway and intercity rail transit New energy vehicle chargi...[Details]
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The RF admittance level switch is a commonly used level detection controller in industrial sites. Its working principle is to sense the change of reactance (capacitive reactance and impedance) betw...[Details]
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Temperature detection is common in the field of industrial measurement and control. Using high-precision A/D conversion chips and single-chip microcomputers, a temperature detection system with hig...[Details]
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On August 9, Huawei held its 2019 Developer Conference in Dongguan. Huawei Consumer Business CEO Yu Chengdong pointed out that under the influence of the US ban, smartphone sales in the second quarte...[Details]
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1: LED driver programming To write an LED driver, you must first know the structure of the development board; the development board is divided into a core board and a base board; the first step ...[Details]
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Last night, Hong Kong's famous singer and diva Coco Lee died of depression at the age of 48. Fans were shocked by the sudden bad news. She left her sweet and warm smile and enthusiastic and cheerfu...[Details]
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1. Chip heating
This content is mainly for high-voltage driver chips with built-in power modulators. If the current consumed by the chip is 2mA, and a voltage of 300V is applied to the chip, the po...[Details]
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p0: 8-bit bidirectional I/O port, capable of driving 8 TTLs when output, open-drain port
p1: 8-bit bidirectional I/O port, can drive 4 TTL as output, with internal pull-up resistor
p2: 8-...[Details]
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1. System clock problem:
The system uses DCO by default. When using external high-speed crystal oscillator XT2, you must turn on XT2 yourself, delay 50us to wait for XT2 to start oscillating, and t...[Details]
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Abstract: This article discusses application circuits for Maxim force/sense digital-to-analog converters (DACs). Applications include: selectable fixed-gain DAC, programmable gain DAC, photodiode bias...[Details]
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After Huawei was suppressed, Apple's 5G strategy has become more active. According to TF Securities analyst Ming-Chi Kuo, Apple may launch its own 5G baseband chip as early as 2022, and the 5G versio...[Details]
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Display screen production method LED screens , as a new media, are more likely to attract people's attention with their moving luminous images and texts. They have a large amount of information and ...[Details]
RF/Wirelessly
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