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introduction The memory of a microcontroller comes in different sizes. Large memory is relatively expensive. How to choose the size is a headache. This article is about the problems I encountered dur...[Details]
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LED is a semiconductor component, the core of which is a chip composed of p-type and n-type semiconductors. There is a transition layer between the p-type semiconductor and the n-type semiconductor...[Details]
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1. Unified program structure
OB1: main program;
OB100: Initialization program (no need to call the main program);
OB35: 100ms (modifiable) interrupt (no need to call the main program...[Details]
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STM32 has three low power modes: sleep mode, stop mode and standby mode. In sleep mode, the core stops running, but the peripherals are still working, and the clocks of all peripherals will not be ...[Details]
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The ACT8937 is a complete, cost effective, highlyefficient ActivePMUTM power management solution, optimized for the unique power, voltagesequencing, and control requirements of the Samsung S5PC100,...[Details]
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As the name implies, large cylindrical power batteries are batteries that are shaped like large cylinders. This type of battery has high energy density and safety, and can provide electric vehicles...[Details]
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With the rapid development of the automotive industry, in-vehicle communication technology is also constantly improving. As an emerging connection standard, MIPI A-PHY, a high-speed serializer-dese...[Details]
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Since the launch of the voice virtual assistant Alexa in 2014, Amazon has sold hundreds of millions of Echo smart home devices, becoming the global sales champion of smart speakers that cannot b...[Details]
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On the evening of December 7, OPPO released the OPPO Reno 7 League of Legends mobile game limited edition. The new phone is inspired by the hero "Jinx" in the League of Legends and incorporates ...[Details]
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Recently, Apple CEO Tim Cook responded to the reason why the new iPhone does not support 5G in an interview with Tencent News. Cook said: "I think 5G is still a little bit ahead of its time." Cook ...[Details]
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1. Strong anti-interference ability ensures the accuracy of measurement results The working principle of a leak detector is generally to perform a series of correlation analysis on the audio signals ...[Details]
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The uboot startup is similar to the BIOS startup process in a PC, and is briefly described as follows;
The first stage
1: Initialize the hardware in the CPU (shield all interrupts, set the CPU cloc...[Details]
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According to South Korean media THE ELEC, UBI Research released its latest report stating that China became the largest buyer of smartphone OLED panels in the second quarter of 2020. ...[Details]
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introduction
The modern electronic warfare environment is becoming increasingly complex, the signals are becoming increasingly dense, new radars are constantly emerging, and the various pa...[Details]
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A soft starter is an electrical device used to start a motor. Its main function is to reduce the current impact when the motor starts and reduce the damage to the power grid and mechanical equipmen...[Details]
Power technology
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