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OLED categories and characteristics
OLED screens are classified into two types: passive matrix (PMOLED) and active matrix (AMOLED). PMOLED displays are cheaper and easier to manufacture. Howev...[Details]
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1 Principle
As a precision DC measurement system, the design of a high-stability constant current source is very important. This system uses an integrated operational amplifier feedback constant cu...[Details]
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At present, public key-based identity authentication mechanisms are widely used on the Internet. Public Key Infrastructure (PKI) is a system that uses public key technology and digital certificates t...[Details]
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This article mainly introduces the test application of AMETEK MX/RS series power supply products on photovoltaic inverters, and explains the performance and capabilities of the product from the aspec...[Details]
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1 Introduction
LED display is a new type of information display media that has developed rapidly in the world in the late 1980s and is increasingly widely used. The ATMEGA16L microcont...[Details]
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When
the brightness
of
LED light sources
and
the safety of
lasers
were criticized, Casio developed
a hybrid light source of
LED
and laser. It combines the adva...[Details]
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In recent years, wireless applications have developed rapidly and widely. There is no doubt that wireless devices have brought great convenience to our lives and work. For example, mobile phones allo...[Details]
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Introduction: This paper mainly introduces the design of solar LED street light panels, the selection of solar cells and batteries, and analyzes and discusses the circuit design and working principle...[Details]
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Systems using the latest "portable" processors require a large number of high-current, low-voltage rails, typically 1.8V or less. In addition to the numerous low-voltage rails, many of these applic...[Details]
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An effective passive way to suppress ringing problems caused by energy leakage in a flyback transformer and clamp overvoltage is to implement a recovery coil wound in parallel with the primary. This ...[Details]
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The specific circuit diagram of the 47-inch LED backlight power supply circuit is shown in Figures 1, 2, and 3. It should be noted here that all drawings are drawn using Altium Designer6 software.
...[Details]
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Background on Optocouplers and Digital Isolators Optocouplers use light from an LED to transmit data across an isolation barrier to a photodiode. When the LED turns on and off, logic high and low si...[Details]
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In view of the requirements of variable frequency amplitude modulation of modern power supply , it is proposed to use PIC16F873 to generate SPWM wave to control IR2136 to trigger IGBT to generate PWM...[Details]
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Low cost and high reliability are two of the most important goals in offline power supply design . Quasi-resonant design provides designers with a viable method to achieve both goals. Quasi-resonan...[Details]
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introduction
LED digital tubes are commonly used display devices in single-chip microcomputer systems. Each field of LED digital tubes larger than 1 inch is composed of multiple light-emit...[Details]
MCU
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