[i=s]This post was last edited by paulhyde on 2014-9-15 03:35[/i] [font=Tahoma,]Do you plan to build a quadcopter for the national electric competition? What is the topic? Can anyone give a simple ana...
[i=s]This post was last edited by liunixy on 2019-6-5 19:23[/i]As shown in the figure above, the input is 12V and the designed output is 5V, but the actual output voltage is only about 3V when no load...
[align=center]Talk about key programming[/align][align=left] [/align][align=left] [/align][align=left][size=4] [/size][/align][align=left][size=4]For a system composed of a single-chip microcomputer a...
It is said that salesmen have high salaries, but I find that salesmen are really hard. It is so hard to expand customers. If there are many orders in a month, it is okay. If there are fewer orders, I ...
[font=Arial][b]1. BGA (ball grid array) [/b] is a type of surface mount package. Ball bumps are made on the back of the printed circuit board in an array to replace the pins. The LSI chip is mounted o...
I'm working on a project about FPGA recently, but I don't have any idea how to drive a 1602 LCD. Has anyone done this before? Can you give me some ideas or some guidance? Thank you very much! !...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[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]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]