Circuits (Jiangsu University) : https://training.eeworld.com.cn/course/2728701 Circuits and circuit models02Reference directions of current and voltage03Electric power and energy04Resistor05Voltage so...
[i=s]This post was last edited by dontium on 2015-1-23 13:23[/i]1. USB desk lamp
The circuit diagram of the USB desk lamp is shown below. To avoid possible electromagnetic radiation, the power supply ...
I downloaded a game code from the Internet, and it compiled fine under the ARM SDK, but when I compiled it under the x86 platform (emulator) SDK, a lot of problems occurred. First, it said that the he...
Following the previous router, if it fails to boot successfully, it is not considered as a complete DIY, so I quickly did another wave of DIY. This time, for the RAM, after much thought, I decided to ...
I am working on a smart fire protection platform. I upload the alarm information of the fire host to the platform through a transmission device. But I don't know how to read the data of the fire host ...
Why is the voltage at the out end always around 4.5V~5V when the optocoupler is not conducting? Is it leakage current? Is it that much? Because a 10K resistor is connected to the LED in series at the ...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
a. Keep the battery clean, wipe off the spilled electrolyte, contaminated dirt and dust in time; keep the poles and terminal clamps clean and in good contact, and apply vaseline or butter to preven...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Analog electronics
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