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1 Introduction 电力电子技术的迅猛发展，使得电力电子装置的应用越来越广泛。目前，在电力电子装置中，在需要隔离电源的地方，均设置独立的包括原、副边电路的整套工作电源，电路复杂，效率低，体积大，成本高，可靠性低；有些电力电子装置使用带有电压泵的专用单电源驱动电路，可以省掉复杂的多路隔离辅助电源，但由于这种专用电路的局限性，不能适用于高电压、大功率和其它有特殊需要的场合。用于电...[Details]
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Take the First Step
Online
Power Supply Design
The first step is to define the power supply requirements, including voltage range, output voltage, and load current. Possible so...[Details]
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Overall system design 1) The controller of this design uses 51 single-chip microcomputer 2) ADC0808 collects the voltage division of the photoresistor The weaker the light intensity, the more LEDs wi...[Details]
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The content of this chapter's blog mainly revolves around dynamic digital tube display. Dynamic digital tube display is slightly different from static digital tube display, mainly in adding delay fun...[Details]
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The role of the controller is to provide an advanced phase at an appropriate frequency to offset (or compensate) the redundant lagging phase of the main electrical appliance; conversely, when the m...[Details]
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Code: #include reg51.h typedef unsigned char u8; typedef unsigned int u16; sbit LED=P2^0; sbit KEY=P3^2; void delay(u16 i) { while(i--); } void EXIT0_Init(void) //External interrup...[Details]
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After staying up late for a few days, the controller is finally completed. It costs hundreds of yuan to buy someone else's set, but only tens of yuan to make it yourself. It is still worth it. I will ...[Details]
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The 51 MCU source code is as follows /* A single digital tube displays 0~F in a cycle */ #include reg51.h typedef unsigned char uint8; typedef unsigned int uint16; code uint8 LED_CODE = {0xC0,0xF...[Details]
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Use ST's HAL library for development, and the SDRAM used is W9825G6KH-6. W9825G6KH-6 has 4 banks, 13-bit row address, 9-bit column address, and 16-bit bit width. So the capacity of the chip is: 4x81...[Details]
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I. Overview
1. Basic concept of flicker
People have found that reading under fluorescent lamps for a long time will make people feel uncomfortable, although the brightness is the same as that ...[Details]
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Automotive connectors are indispensable components in automotive electrical systems and electronic equipment. They bridge the gap between blocked or isolated circuits, allowing current to flow and ...[Details]
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When you test
the SNR of
an ADC
, you might connect a low-jitter clock device to the converter's clock input pin and apply a reasonably low-noise input signal. If you are not gettin...[Details]
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In electronic products, keyboards are the most basic input devices. However, it is unrealistic to use general keyboard scanning devices in applications. A dedicated small keyboard needs to be desig...[Details]
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Texas Instruments (TI) has announced the industry's lowest power DC/DC step-down converter, which can increase the harvested energy available to the terminal application by up to 70% compared to ...[Details]
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For the serial port output, 210 is the following garbled code according to the previous operation.
The first thing that comes to mind is probably the baud rate problem, which is a c...[Details]
MCU
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