Only DIN and GND are used to drive WS2812. You need to make some changes to the light strip, connect a Schottky diode between DIN and VCC, and then connect a 10uF capacitor in parallel.From: https://g...
From floating point to fixed point When we write DSP simulation algorithms, for convenience, we usually use high-level languages (such as C) to write simulation programs. The variables used in the pro...
Although the production chain of RFID tags is not long, it requires a lot of equipment. From the manufacturing process, it is divided into several major processes: chip manufacturing, antenna manufact...
[i=s]This post was last edited by Cheng Qiuxiang on 2019-2-19 15:08[/i] I have been working on a Pmos switching circuit recently, and I want to use a single-chip microcomputer to generate a PWM wave t...
I want to learn Linux and buy a development board. I bought a board from Wei Dongshan a few years ago. I studied for a while but gave up. Isold the board. Now I want to learn again. I saw Huaqing Yuan...
A wave of signal integrity solutions is coming, engineers, take it!
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Abstract：The thesis described a few teaches，several actual problems and the methods to analysis and handle the problems in the design of the direct voltage-stabilizing source． And this paper analyz...[Details]
Learning a microcontroller is actually learning how to operate registers. The 51 microcontroller uses sfr to define registers with special functions. For example: sfr P1 = 0x90; If you want to use bi...[Details]
Jitter measurement has always been called the highest realm of oscilloscope test measurement. The most intuitive traditional jitter measurement method is to use afterglow to view the changes in the...[Details]
The magnetic flap level gauge is usually composed of a display panel, a float and a magnetic float. The float is provided with a magnetic float, and the magnetic float itself floats directly on the...[Details]
0 Introduction
In X-ray detection, CCD digital real-time imaging system has been widely used because it does not require film washing, has fast imaging speed, and the image quality is bett...[Details]
Since the development of the monitoring system, in addition to the continuous innovation of its own technology and the upgrade from analog monitoring to digital monitoring and network monitoring, i...[Details]
According to Jiwei.com news, on the evening of March 27, Shuobei released its 2018 annual report, with revenue of 1.722 billion yuan, a year-on-year decrease of 16.80%; net profit of 62.40 million yu...[Details]
In the voltage and current signal detection, this system adopts the DC sampling method, which needs to collect the three-phase voltage of U, V, W and the four-phase current signal (including the neut...[Details]
Like ordinary diodes, photodiodes are semiconductor devices composed of a PN junction and have unidirectional conductivity. However, in the circuit, they are not rectifiers, but photoelectric senso...[Details]
EEPROM Data Memory ATmega128 contains 4K bytes of EEPROM. It exists as an independent data space and can be read and written byte by byte. The life of EEPROM is at least 100,000 times (erased). EEP...[Details]
The U.S. Army has a strategy to reduce fossil fuels, and one step toward that goal is testing a new flow battery from Lockheed Martin that will be tested at Fort Carson, Colorado. I...[Details]
According to the latest China Balance of Systems Market Report released by NPD Solarbuzz, the total revenue of China's solar balance of systems market is expected to reach RMB 19.5 billion (approximat...[Details]
Introduction: For the ARM system, the mixed calls between functions written in different languages follow the ATPCS (ARM-Thumb Procedure Call Standard). ATPCS mainly defines the rules for passing p...[Details]
Mitsubishi PLC (Programmable Logic Controller) is a control device widely used in the field of industrial automation. It has the characteristics of flexible programming, powerful functions, high re...[Details]
MicroPython Open Source section
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