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1.UV LED (Ultraviolet LED): (1) Low UV: 250nm-265nm-285nm-365nm, and now it can reach 250nm-410nm. These are INGaN/GaN material carbides. These UV rays can kill all bacteria in the water, and the...[Details]
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For general lighting,
LED
technology can already meet the requirements of producing high-quality lamps, but when producing high-quality
LED lamps
, it is necessary to master
the knowledge o...[Details]
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Bare metal code: no scheduling function Code with process concept: has scheduling function What to add when adding a schedule What to add when adding a schedule 1. pick next task The scheduling al...[Details]
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2020 was an extraordinary year. The epidemic at the beginning of the year and the complex international trade situation put the entire consumer electronics industry through tremendous challenges. Acc...[Details]
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1 Introduction
Fieldbus control system (FCS) replaces analog signals with digital signals to improve the reliability, accuracy and anti-interference ability of the system and extend the di...[Details]
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The isp made a brief summary. Through online programming (the chip is programmed by continuously resetting the chip while the high voltage is converted), the MCU's flash, eeprom, fuse bits, encryptio...[Details]
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For LED driving, the constant current method is better than the constant voltage method. In the circuit proposed in this article, the constant voltage regulator commonly used for LEDs is replaced wit...[Details]
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STM8 Power Management 2012-06-08 22:47:55| Category: STM8 | Font size subscription By default, after a system or power reset, the MCU is in Run mode. In this mode, the CPU is clocked by f...[Details]
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ARM is a RISC structure. The movement of data from memory to CPU can only be completed through L/S instructions, that is, ldr/str instructions. For example, if you want to read data from somewhere in...[Details]
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Just as we’re finally seeing a slew of Wi-Fi 6 and Wi-Fi 6E devices making their way into homes and offices, a new Wi-Fi standard is emerging that promises to improve on the current standard by bring...[Details]
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Abstract: This paper analyzes the drive control of brushless DC motors in detail and designs a dual rear-wheel drive control system for electric vehicles based on the ARM7 LPC2132 microprocessor. The...[Details]
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1. The frequency of digital circuits is high, and the sensitivity of analog circuits is strong. For signal lines, high-frequency signal lines should be kept as far away from sensitive analog circui...[Details]
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Rotating components is essential in PCB design. Rotating components by 90 degrees is not the topic of this article. This article mainly discusses how to rotate parts to any angle in PADS.
Ther...[Details]
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1. Display principle The working principle diagram of the deflection system is shown in Figure 1: Figure 1 Working principle diagram of deflection system 2. The basic block diagram of the oscillosc...[Details]
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introduction
The electronic compass is a device that uses the geomagnetic field to achieve orientation and has been widely used in various navigation and positioning systems. The widespread applica...[Details]