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Today, blogger @数码闲聊站 broke the news that Xiaomi is developing a 2K straight-screen phone. Considering that 2K screens are currently only used in high-end flagships, it can be confirmed that th...[Details]
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Zhuhai, China, May 17, 2021 - "Working together, meeting at the top" ViewSonic's 2021 Projector Core Dealer Conference was successfully concluded in Zhuhai. Core dealers from all over the country gat...[Details]
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引言
随着大功率LED的问世,因其发光效率是一般荧光灯或白炽灯的5~7倍,节能效果十分显著。因而,大功率LED具有广泛的应用前景。目前,单个大功率LED已有1W、3W、5W和10W,已被大量使用的是1W和3W的大功率LED,采用多个大功率LED串联和并联,其组合输出功率已达70W~100W。
大功率LED虽具有发光效率高和节能的优点,但其管压降的不一致却是需要克服的缺点。其次,大功...[Details]
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Data transfer instructions between the accumulator A of the microcontroller and the external RAM
MOVX A,@Ri
MOVX @Ri,A
MOVX A,@DPTR
MOVX @DPTR,A
illustrate:
1) In the 51 series of single-...[Details]
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Challenge: Develop a potentiostat/galvanostat/impedance analyzer system (potentiostat system) with easy-to-use software, user-friendly interface, high accuracy and resolution, multi-frequency ...[Details]
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In 2024, assisted driving technology will usher in a big explosion. Every car company and every new car is conveying the concept of "no intelligent driving, no car building". But there are also wor...[Details]
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News on the morning of November 10th: After AMD successfully crossed over into many fields such as game consoles, sources revealed Tesla ’s internal planning blueprint, which included the idea of u...[Details]
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1.Buzzer 1. Buzzer Basics Buzzers are divided into active buzzers and passive buzzers according to the driving method. Active buzzers have an oscillator inside, and they will ring when a low level is...[Details]
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According to official news from Beijing Yizhuang, Beijing Jingyi Automation Equipment Technology Co., Ltd. (hereinafter referred to as "Jingyi Equipment"), located in Beijing Economic and Technologic...[Details]
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A LED driver Location: linux 2.6.29/drivers/char/mini2440_leds.c #include linux/miscdevice.h #include linux/delay.h #include asm/irq.h #include mach/regs-gpio.h #include linux/ hardware.h #inclu...[Details]
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According to foreign media reports, on July 24, local time, Omnitracs, a leader in fleet management solutions for global transportation and logistics companies, announced a technical collaboration wi...[Details]
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Abstract: Based on the introduction of the theory and common implementation methods of finite impulse response (FIR) digital filters, this paper proposes an efficient implementation scheme based ...[Details]
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Market research firm IDC recently released the tablet market share in Europe, the Middle East and Africa. The results showed that Apple's iPad tablet computer has a leading market share. According ...[Details]
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The lock-in amplifier is an amplifier that performs phase-sensitive detection on alternating signals. It uses a reference signal with the same frequency and phase relationship as the measured signal a...[Details]
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CAN (Controller Area Network) is a communication protocol used in automotive and other industrial applications. The CAN bus uses a pair of twisted wires (CANH and CANL) to transmit data, where CANH...[Details]