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According to news on May 16, after more than ten years of fighting, the situation in the smartphone market has basically been fixed. Countless fringe players have been eliminated, including some of t...[Details]
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This article introduces a multi-purpose constant current charger with simple circuit and reliable performance.
1. Circuit Principle
As shown in the figure, this charger is a capacitor cur...[Details]
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This paper proposes an ultra-low power alcohol detection controller based on MSP430 microcontroller. The instrument is installed in the car. When the driver enters the cab, it can automatically det...[Details]
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The most commonly used numbers in our daily production and life are decimal numbers, and all data in the microcontroller system are binary in nature, so our smart predecessors created BCD code ...[Details]
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Users can configure the fuse bits of AVR using parallel programming, ISP programming, and JTAG programming, but different programming tool software provide different configuration methods for fuse bi...[Details]
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Introduction In modern industry, induction heating technology is widely used in metal smelting, pipe bending, hot forging, welding and surface heat treatment industries. Induction heating is based o...[Details]
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IAR Systems integrates the design, development and testing of embedded systems, and is a popular development tool at present. This article takes the project creation of the Cortex-M0 series chip as a...[Details]
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introduction
在系统编程ISP(In System Programming)是指在用户设计的目标系统或印刷电路板上为重新配置逻辑,或实现新的功能而对器件进行编程或反复编程。
随着EDA工具的普及和ISP器件的日益成熟,ISP技术也得到了越来越广泛的应用。ISP技术的应用使得硬件设计软件化,其显著优势体现在:简化生产流程;利用同一硬件结构实现多种系统功能...[Details]
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More and more automakers have announced that they will support C-V2X in 2021, applying it to different driving scenarios, such as the "green light all the way" function, where drivers can use dashboa...[Details]
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1 Introduction
Since the early 1990s, multi-level inverters have been increasingly widely used in high voltage and high power fields. There are three basic topological structures of multi-...[Details]
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#include
unsigned char i=0;
unsigned char receive=0x00;
void i2c_start()
{
SEN=1; //Start
do{
}while(SSPIF==0);
SSPIF=0;
}
void i2c_stop()
{
PE...[Details]
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Shanghai Quectel Communications Co., Ltd. (hereinafter referred to as "Quectel Communications") announced today that the company has received a transfer from the U.S. International Trade Commission (...[Details]
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introduction
As we all know, the most serious challenge facing today's portable power supply designers is providing power for today's high-performance CPUs. In recent years, the power supply curren...[Details]
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Previously, two new Huawei phones named JSC-TN00 and HJC-TN00 were connected to the network, both supporting 5G networks. Many people said that these two phones are new Huawei nova series phones. It ...[Details]
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A multimeter is a common measuring tool used by electricians. It can be used to measure parameters such as voltage, current, and resistance. A soft starter is a device used to start a motor. It can...[Details]