[i=s]This post was last edited by yang_alex on 2016-12-23 13:36[/i] Since it is a Bluetooth application, if there is no mobile phone APP, it will be greatly discounted. Therefore, ST provides the mobi...
ZigBee wireless technology and its ZigBee Light Link (ZLL) profile, including support for mesh networks, the foundation for smart home applications, have proven themselves to be strong candidates for ...
[p=26, null, left][color=rgb(79, 79, 79)][font=-apple-system, "]If you carefully study TCP's four waves, you will find that the final state of the party that actively closes is TIME_WAIT. What does th...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:48[/i] [color=darkred]Relay 1. Working principle and characteristics of relayRelay is an electronic control device, which has a control syste...
[i=s]This post was last edited by flashtt on 2018-5-23 10:16[/i] [align=left]I am working on a project recently that requires Bluetooth low energy one-to-many, up to one-to-four, and has certain requi...
[i=s]This post was last edited by orbitabaoce on 2017-8-17 08:52[/i] [size=14px]Workplace: Beijing Address: 4th Floor, Building C, Kaixuan Building, No. 143, Xizhimenwai Street, Xicheng District, Beij...
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]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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
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]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
ST - Low Power RF
京公网安备 11010802033920号
EEWORLD
