My classmate asked me a question, see the attachment, I don't have a clue about the third and fourth questions, please give me some tips, thank you. Also, for the noise diagram of the first question, ...
[align=center][/align] The 8Mhz crystal oscillator X3 and matching capacitors on the development board are not soldered. I soldered an external crystal oscillator myself, and then set the external cry...
/** @brief I2CM bus master example using polling mode** @note* Copyright(C) NXP Semiconductors, 2014* All rights reserved.** @par* Software that is described herein is for illustrative purposes only* ...
For 48V5A lamp, step-down type. Input more than 50 volts, the potentiometer adjusts the maximum output current to 5A. Collect 0-10V signal to automatically adjust the current strength, such as: 0V no ...
Although there are many ways to repair the remote control, they all have disadvantages. Wearing copper wire will wear out the conductive line, sticking aluminum foil is easy to fall off, sticking old ...
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
0 Introduction
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The ways to reduce costs are: ① Use the Bluetooth data transmission...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
Analog electronics
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