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introduction
Since the launch of GaN blue LED in 1991, GaN-based LED has developed rapidly in recent years. At present, high-efficiency GaN-based LED has been widely used in full-color display...[Details]
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Basic theory
Basic theoretical knowledge includes analog circuits, digital circuits and C language knowledge. Analog circuits and digital circuits are abstract subjects, and it takes some effort to l...[Details]
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Yesterday, we talked about
the balance of the
three-
phase current
of the vertical
lift motor
, and at the end, we asked a question: if the motor is driven by
a frequency c...[Details]
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Samsung Electronics announced on the 18th that it has taken the lead in the world in mass production of 12Gb (Gigabit) LPDDR5 mobile DRAM. It has only been 5 months since the last announcement of the...[Details]
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Universal Bootloader (U-Boot) is the first piece of code executed after the system is powered on. Its functions mainly include initializing the hardware environment and loading and executing the oper...[Details]
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In the design of GPS antenna unit, a high-frequency, low-noise amplifier is used to reduce the impact of GPS antenna thermal noise and the previous unit circuits on the receiver performance; in the...[Details]
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Phenomenon 1: The entire screen does not display The possible causes and solutions for this phenomenon are as follows: 1. The AC power distribution cabinet is not turned on - turn on the switch...[Details]
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The epidemic in Malaysia is serious, and the national lockdown measures that were originally scheduled to expire yesterday have been extended indefinitely. Taiwan media "Business Times" reported that...[Details]
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1 Introduction Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of th...[Details]
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The Qualcomm-Arm lawsuit is epic, and the case has a massive new update. This update contains evidence that Arm is changing its entire business model and moving towards requiring OEM licenses. It als...[Details]
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STM8 is an enhanced eight-bit microcontroller produced by STMicroelectronics. It has more powerful performance than 51 microcontrollers and is cheaper. It is very popular in commercial applications. ...[Details]
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TDA7266 is a dual-channel audio stereo amplifier packaged in MULTIWATT form, specially designed for high-quality audio amplification circuits of music equipment and color TVs. 1. Features 1. Wi...[Details]
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#include reg52.h #include "./delay/delay.h" sbit SCL = P2^0; sbit SDA = P2^1; bit ack = 0; unsigned char flag = 1; #define LCDPORT P0 #define LCD_WRITE_DATA 1 #define LCD_WRITE_COM 0 sbit RS = P2...[Details]
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The following is the .h file: #ifndef __MAX7219_H #define __MAX7219_H #include "stm8s_gpio.h" #include "stm8s.h" #include iostm8s103f3.h #include intrinsics.h #include "tim1.h" #define uchar u...[Details]
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1. s3c6410 SD boot principle
s3c6410 supports Nand Flash local booting of Linux, including kernel, root file system, and bootloader are all written in Nand Flash. This allows independent...[Details]