[i=s] This post was last edited by Feihong Haojie on 2017-8-24 00:13 [/i] I want to make a DDS signal source. I want to use a Butterworth LC low-pass filter to filter the DDS output signal, and then e...
Trend Analysis in 2013: What else can smart TVs become? 2012-11-14 13:05:52 Source: China Home Appliances OnlineFrom black and white to color, from analog to digital, from flat to 2D and then to 3D, f...
The MakeCode extension for the HTS221 temperature and humidity sensor allows you to use the HTS221 in a graphical way. The extension is ported from the MicroPython driver , retaining the oneshot mode ...
I won’t say more, let’s go straight to the step-by-step pictures. This may be what my friends want to know most.Note the DIP switch settingsvarious settings, file locationSimple default setting parame...
[color=rgb(0, 0, 0)] Hello! I recently wrote a PI program, in which qKp is the proportional coefficient, using the Q6 format; qKi is the integral parameter, using the Q14 format, and all parameters ar...
[size=10.5pt][b]Introduction to Vector Interrupts[/b][/size][size=12pt][/size] [size=10.5pt]Introduction to ARM7 Interrupt System[/font][/size][size=10.5pt][/size] [size=10.5pt] [font=宋体]In the last a...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Analog electronics
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