The high-molecular resin is corroded by hot concentrated nitric acid (98%) or concentrated sulfuric acid to become low-molecular compounds that are easily soluble in acetone. Under the action of ultra...
[i=s]This post was last edited by sky9218 on 2019-10-30 21:41[/i]User software implements system management through registration system, and the software startup and exit are operated by system menu. ...
[b][color=#5E7384]This content is originally created by [size=3]懒猫爱飞[/size], a user of EEWORLD forum. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
Talking about digital power supply? Hot!Making digital power supply? Difficult!Analyzing the theory of digital power supply? Even more difficult!It is better to do it once than to think about it a tho...
AD5791 is a popular DAC chip that has been out for many years. Its 20-bit resolution and 1ppm accuracy make it suitable for many precision applications.
Below is the introduction of the official websi...
littleshrimpSpecial Edition for Assessment Centres
1. In the 51 single-chip microcomputer, the following two operation methods are the same, there is no problem! (1) OUT1_R1 is an IO port of the microcontroller, dat is the data transmitted if ( (...[Details]
The two tricks we learned above, controlling IO and delay, the first example to be given here is LCD1602. What does LCD1602 mean? It means that one line can display 16 characters, and there are two li...[Details]
Audio amplifiers for high-power portable speakers, such as cart speakers, are often powered by lithium-ion batteries, which can range from a single cell to several cells in series. Designers often ...[Details]
The concept and working principle of frequency converter
A frequency converter is an electronic device that adjusts the output frequency according to the input signal. It consists of an input ...[Details]
China Energy Storage Network News:
On July 26, 2016, in commemoration of the 134th anniversary of China's electricity supply, the "2016 China Electricity Theme Day" event jointly organized by...[Details]
There is no news on May 13th, but security researcher Fabian Bräunlein published a blog post today showing how Apple's Find My network can be used as a transport for other data. The working...[Details]
If you are a "Battle Royale" game enthusiast, it may be a basic skill to identify the enemy's position based on their footsteps. As a result, many mobile phone manufacturers place special emphasis ...[Details]
ADC is the bridge connecting the real world and the digital world. Because it involves high technical barriers such as processes, circuits, and systems, its design is extremely difficult and it is kn...[Details]
Learned how to use LCD to display two lines of email and phone number Three display modes: direct display, scrolling display , flashing display, simulation schematic diagram as follows, single chi...[Details]
Strengthen the layout of MCU multi-application products, continue to penetrate the market segmentation, and cover entry-level to high-performance application development
Hsinchu, Taiwan,...[Details]
1 Introduction This document mainly introduces the principle and implementation of LPC1752 collecting 4 independent buttons. This design has a total of 4 independent keys, namely the confirmation k...[Details]
There are already many stm32 oscilloscopes on the Internet. I still want to publish my design ideas here. This project has been prepared for a long time. First of all, I would like to thank the previ...[Details]
Select DSP model
The main DSP manufacturers on the market include TI, ADI, Motorola, Lucent and Zilog, among which TI has the largest market share. The products range from low-end low-speed DSP to ...[Details]
Low power consumption reference voltage generation circuit with current consumption of only 30UA
Function of the circuit
Use ordinary Zener diodes or temperature compensated Zener diodes to ma...[Details]
Drive-by-wire chassis solutions
In the process of automobile intelligence and electrification, core technologies and products related to intelligent wire-controlled chassis have beco...[Details]
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