The figure below is the voltage isolation circuit of the linear optocoupler HCNR201. R1 and R2 in the figure are feedback resistors. If the resistance values are equal, the voltage changes on both sid...
[size=4]For MSP430, the following modules cooperate with each other to realize the temperature control module. It will be divided into the following parts for explanation: Clock source part ADC part I...
The board is LPC1768, and lwip needs to send data to the computer continuously, so I wrote an infinite loop in the callback function CMD_recv. Every time it sends 231 times, the client can no longer r...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:37[/i] [font=Verdana] We succeeded, we succeeded. I couldn't help but be excited for a while when I heard that we won the first prize. [/font...
[i=s]This post was last edited by Tianzhixuanhuan on 2014-11-24 00:27[/i] [align=left]Wifi[font=宋体]Test:[/font][/align][align=left]1. Open the project Demo1_WiFi_Link, download the program through Jli...
The PLC model is TSX3721. The programming software used is PL7PRO44. The programming cable is TSXCUSB485. When I click on the connection icon, the computer does not respond. I have changed the compute...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1 Introduction
In recent years, there have been many major advances in the production technology and processes of automotive headlights, which have greatly improved the performance of automoti...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[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]
Different initialization between C8051F and 80C51 series microcontrollers
In the past 30 years, major electronic component manufacturers in the world have launched their own unique single-chip...[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]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[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]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]