As shown below, QFN-10 package, center thermal pad. The heterogeneous pad cannot be drawn. In PCB, use wire to draw the shape, and then convert it to region. When copied to the package editing interfa...
I am using the ordinary I/O of the microcontroller to simulate IIC, writing one byte to the E2PROM, and then reading it out for verification. It works, but there is an error. I don't know if it is a r...
One is that the Olympic Games will be held in Beijing, which will effectively enhance TOM's brand and performance; another is that 3G will be liberalized, and more wireless value-added applications wi...
Modify the ZDApp_event_loop() function in ZDApp.c and add a section of code before calling ZDO_StartDevice(…), that is, before the terminal device scans the network and requests to join the network. W...
There are two ways to download the program to the MSP430FR5720 chip: SBW and JTAG. How do I select the JTAG mode and how do I connect the TEST and RST pins? The current circuit board pulls both pins h...
Forum Reviews
https://bbs.eeworld.com.cn/thread-1137116-1-1.htmlQinheng MCU CH55X — USB application example source code sharinghttps://bbs.eeworld.com.cn/thread-1137117-1-1.htmlUSBcommunication design...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[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]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[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]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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
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]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[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]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
PCB Design
京公网安备 11010802033920号
EEWORLD
