Can UA741 realize DC small signal amplification? UA741 offset voltage is 1mv, and a 30mv voltage signal is detected by a microcontroller. If not, what op amp is more suitable?...
I ported the BMP180 program from STM32, but the software IIC has not responded. I tried the hardware IIC_start function but it failed. Can anyone give me some ideas and examples? Tell me the pitfalls ...
During this period, we successfully developed the WinCE driver and video acquisition program for the Vimicro 301H camera. For details, please see http://blog.eeworld.net/wincemobile...
# Sound Detection System##Sound Detection System###The sound detection system is used to capture sound and display the time domain graph and spectrum graph of the sound. The interface of the detection...
I got up early, hoping for a good result and try to get it through. Since the project was only started last month, the trial was delayed a bit, but I have to thank Sister SOSO for her support, which e...
[i=s] This post was last edited by strong161 on 2017-6-9 22:00 [/i] [size=7][color=#ff0000]Limited to honest transactions [/color][/size][size=4] Selling a stm32 F0 discovery [color=#404040][font=Taho...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
Analog electronics
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