[i=s]This post was last edited by lugl4313820 on 2022-5-9 15:59[/i]In order to verify the accuracy of ADC, I made a voltmeter today:
The voltage input IO is GPIOB1, which is channel 9 as shown in the ...
First accumulate hard power, then accumulate soft power, and finally accumulate smart power. C language is one of the hard power of embedded technology.When learning technology, the key is to make pro...
The trigger level is just a reference voltage, but the actual waveform has jitter at the edge. The following figure is a screenshot of a normal rising edge trigger:The blue T line is the reference vol...
1. Introduction
The previous article [ https://en.eeworld.com/bbs/thread-1191327-1-1.html ] briefly introduced the use of ST60 and tested the distance parameters. It was found that the angle and dista...
Is there anyone who can completely shut down PT4115? I built the circuit according to the reference material, and the DIM voltage is less than 0.3V, but the current is still more than 500uA. The data ...
3.3 Subtitle layer display module
When users are watching a program and start the subtitle function, what they see is the superposition of the program screen and the subtitle screen. OSD inter...[Details]
The 2019 China (Chengdu) Electronic Information Expo will be held at the Chengdu Century City New International Convention and Exhibition Center from July 11 to 13, 2019. With the theme of "Cores to...[Details]
Since the second half of last year, chip shortages have become the biggest problem plaguing all automakers. Many companies have therefore lowered their delivery expectations and extended delivery tim...[Details]
The radiation characteristics of terahertz waves generated by photoconductive antennas were studied, and the electric field strengths in the near and far fields were calculated using Maxwell's equa...[Details]
At present, power electronic equipment on aircraft is becoming increasingly diverse and complex, and the quality of aircraft power systems directly affects flight safety. Therefore, when flying, it...[Details]
Listening to music with high-fidelity headphones is a good choice because of its high resolution. It does not require overly complex configurations. It can achieve the same playback quality as a deskt...[Details]
On December 9, Macromicro Technology stated on the investor interaction platform that as of the end of 2020, the company's IGBT self-produced module product capacity was 3 million units, and the outp...[Details]
In order to accurately measure the AC/DC gain, input/output characteristic curve and other characteristic parameters in the digital BJT (Bipolar Junction Transistor) parameter test system, it is ne...[Details]
As 5G network construction continues to deepen, vertical industry applications are developing in a deeper direction. The underlying layers of all applications are inseparable from terminal position...[Details]
Recently, the new energy vehicle
battery
field has seen significant progress, with companies such as NIO, Ripple Lanjun and LG Energy Solution announcing plans for technological innovation ...[Details]
The development of ARM-Linux programs is mainly divided into three categories: application development, driver development, and system kernel development. Different types of software development have...[Details]
Instructions: 1. Reliably ground the ground terminal of the instrument and connect the power supply. Turn on the power switch and the display will show: Display wiring mode Set PT ratio Start measuri...[Details]
With the popularization and deepening development of modern science and technology in various industries in China, the construction of scientific technology information management has been continuous...[Details]
At the Consumer Electronics Show (CES 2013) in Las Vegas, the United States, which ended not long ago, Marvell, together with several partners, launched a number of leading products with the theme of...[Details]
The forward and reverse wiring of a three-phase inverter is a highly technical job, involving many aspects such as electrical principles, wiring methods and safe operation. This article will introd...[Details]