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This paper designs a PWM-based dimmable LED drive circuit, which can provide the voltage and current required by the LED, and has the characteristics of high color temperature, economical and prac...[Details]
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On August 6, this afternoon, the Hongmeng Smart S9 luxury sedan was officially released and launched on the market. A total of two models were launched, the Max version is 399,800 yuan, and the Ult...[Details]
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Infrared thermal imagers use infrared detectors and optical imaging lenses to receive the infrared radiation energy distribution pattern of the target to be measured and reflect it on the photosens...[Details]
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Display There are two screens in the development board kit, the big one is LCD (liquid crystal display) and the small one is OLED (organic light emitting diode). Contrary to what you might think, the...[Details]
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Semiconductor switching devices have polarity, so when using the basic principle that turn-on and turn-off are dual to determine the dual device of a switch tube or a switching diode, their polar...[Details]
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On August 28, Changchuan Technology released its 2020 first half report showing that during the reporting period, its main business revenue was 318.289 million yuan, a year-on-year increase of 211.76...[Details]
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China Energy Storage Network News:
On October 16, the Northeast Asia and Southeast Asia Energy Internet Development Forum was held. More than 450 guests from more than 20 countries in Northea...[Details]
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The quality of LED epitaxial wafers depends on the substrate material and epitaxial growth technology. The substrate material is the cornerstone of the technological development of the semiconducto...[Details]
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This article will show you how to make an LED flower that can sense humidity. This video will explain how the circuit works. This is a versatile project. It can be placed in a glass container and app...[Details]
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H EQU 30H
L EQU 31H
ORG 0000H
SJMP MAIN
ORG 0BH
SJMP INT_T0
ORG 0030H
SJMP MAIN
MAIN: MOV TMOD,#01H
SETB OF
SETB ...[Details]
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/************************************************************************************************************************** Reference: Description:. **************************************************...[Details]
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The MAX1556/MAX1556A/MAX1557 are low-current (16µA), fixed-frequency step-down regulators. These converters feature high operating frequency, low quiescent current, and low dropout voltage. The low...[Details]
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Apple today released the second beta of iOS 14.2 and iPadOS 14.2 to developers. Once the correct developer profile is installed, iOS and iPadOS 14.2 can be downloaded through the Apple Developer Ce...[Details]
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In practical applications, increasing radio frequency interference (RFI) must be dealt with, especially when the signal transmission line is long and the signal strength is low. This is a typical app...[Details]
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introduction
The two-wire RTD temperature transmitter converts the temperature signal linearly into a 4~20mA DC standard output signal. Most analog two-wire temperature transmitters are comp...[Details]
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