0622030430

0 Introduction The car instrument is the window and interface for information exchange between the driver and the car. It plays an active and important role in improving the service life of th...[Details]

From the trend, it is only a matter of time before LED completely replaces halogen or xenon. However, the high cost and slightly lagging popularization speed of LED lighting have made it quickly ov...[Details]

1.What is PWM?     It is pulse width modulation, or PWM for short. A very effective technique for controlling analog circuits using the digital output of a microprocessor is the control of pulse wi...[Details]

On July 28, Japan's Toyoda Gosei launched a driver-side airbag with a new structure that can protect occupants more safely. The airbag has been installed in the new Honda Civic launched in North Am...[Details]

Samsung is planning to hold an Unpacked event on August 11th, and the two protagonists will be the Samsung Galaxy Z Fold 3 and Galaxy Z Flip 3. In addition to the foldable phones, the Korean giant is...[Details]

　　introduction 　　The embedded monitoring system composed of image acquisition and storage functions is an indispensable and important part of the security technology system. With the development of ...[Details]

　　As shown in the figure, this is the LM4912 dual-channel amplifier circuit. The left and right channel audio signals are input into the 1st and 5th pins of the LM4912 respectively, and are output fr...[Details]

Temperature rise: When the transformer is put into operation, the part of the coil temperature that is higher than the ambient temperature is called the coil temperature rise △tm; the part of the co...[Details]

Deeply understand the various functions and working principles of oscilloscope probes The existence of the probe has expanded the application range of the oscilloscope, allowing the oscilloscope to...[Details]

In recent years, servo motor control technology is developing in three directions: AC, digital and intelligent. As the actuator of CNC machine tools, servo systems integrate power electronic devices, ...[Details]

This circuit can generate three waveforms: sine wave, square wave and triangle wave at the same time. The frequency range is 0.05Hz to 1MHz, and the duty cycle can be from 2% to 98%. The distortion i...[Details]

According to a recent report by the American Physicists Organization website, Singaporean scientists placed a novel nanostructure (thousands of times smaller than a human hair) on the surface of a ...[Details]

I would like to introduce to you a magical tool that can connect the power analyzer to the CAN bus network, the WT-can communication adapter: iDAQ-WTCAN. It is the small box in the picture below. Wit...[Details]

Oscilloscope knob function Tianshui No. 10 Middle School Wen Yingchun Brightness controls brightness, focusing the image clearly, ①Use six or seven to adjust the position, move up and down, left ...[Details]

As an important component of electric vehicles, power batteries have very high requirements for temperature, safety and performance. Therefore, the assembly of power batteries has also become the f...[Details]