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    Gas alarm, usually refers to combustible gas or carbon monoxide. If it is a combustible gas alarm, the sensor is mostly based on the catalytic combustion principle, and if it is a carbon monoxide ...[Details]

The PCI bus has the advantages of supporting multiple peripheral devices, being independent of the processor, and having fast data transmission. It has been applied to various occasions such as P...[Details]

For the measurement of capacitance and inductance, this article briefly introduces the design principles of LC oscillation circuit to measure capacitance and inductance. At the same time, experiments...[Details]

Film capacitors are widely used in analog signal interconnection, power supply noise bypass (anti-interconnection), etc. Film capacitors are capacitors with metal foil as electrodes, which ...[Details]

EVM characterizes modulation accuracy and is a key indicator for measuring the quality of digital modulation in modern wireless communication systems. EVM is the vector difference between the ideal...[Details]

1. High temperature, high pressure and impact test: Target: LED lamps (finished lamps including ledDriver) Reference standard: Industry experience Test method: 1. Place 5 LED lamps ...[Details]

SVPWM control is a method of controlling three-phase AC motors, which can achieve efficient and precise control. Due to its fast response, low noise, high precision and other characteristics, it ...[Details]

Many circuits require electrical isolation. To achieve this, transformers are often used. Transformers are used to transmit electrical energy in a variety of topologies. Flyback converters ar...[Details]

  Application introduction of ultra-bright LED Car signal indication The indicator lights on the outside of the car are mainly turn signals, tail lights and brake lights; the inside of the car is...[Details]

The measurement and control system in this paper is an important part of the electronic system of a certain type of unmanned aerial vehicle. In order to verify the improved and optimized design of the...[Details]

Due to the impact of the Sino-US trade war, some foreign companies have plans to move their production lines out of China. Just as Microsoft refuted the rumor that its manufacturing business would no...[Details]

Here I would like to share with you a detailed explanation of the Boolean operation instruction set of the 51 microcontroller. The Boolean processing function is an important feature of the MCS-51 s...[Details]

Agilent's latest 90000X series oscilloscopes use indium phosphide (InP) semiconductor materials to design the oscilloscope front-end chip, which allows the hardware bandwidth to break through the 16G...[Details]

The microcontroller source program is as follows: #include STC12C5A.h #include "tm1650.h" void Delay_us(uint i) //us delay {         for(;i 0;i--)         {         _nop_(); // _nop_(); // _nop_(); ...[Details]

Introduction     ZigBee technology is a short-range wireless communication technology based on the IEEE802.15.4 standard protocol. It has the characteristics of low power consumption, low cost, larg...[Details]