I have a DC current source with an output of 0~20ma, and I want to enlarge it to 0~100ma. I use this circuit diagram, why does the LED have a weak brightness when the input is 0? Can you analyze it or...
Here the program is required to start in a minimized window mode. Here in OnInitDlg(), ShowWindow(SW_MINIMIZE) is used; the window will flash, at least the title bar above will change. Is there any wa...
[i=s]This post was last edited by qwqwqw2088 on 2017-6-21 10:20[/i] [size=4]Recently I have seen in the forum that some students who are [color=black]beginning to learn[/color] Altium Designer softwar...
I would like to set up Altium Designer 16 to automatically save files at a scheduled time, so that I will not lose my files due to some accidents and can recover certain losses....
[font=Arial]The RIoTboard, like most low-cost ARM development boards, has an on-chip RTC, but the designers of the board didn't provide a way to connect a backup battery, which makes the on-chip RTC p...
I. The most basic question type (Explanation: This type of question type is relatively simple) QUOTE: 1. How many 9s are there from 1 to 100? 2. How many groups of consecutive integers sum to 1000? 3....
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
LonWorks fieldbus technology is widely used, for example, in intelligent buildings, industrial control, environmental protection, etc. Echelon's LonWorks system has been used in the products of tho...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]
Analog electronics
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