I came up with an idea and thought I could give it a try. Wear the SensorTag close to the body; when the user returns home, the main control chip will read the humidity and temperature data of the Sen...
My graduation project needs to collect DHT11 and light intensity data through ZIGBEE, but I don't know how to write the collection program of my bloodthirsty router. The protocol stack has been tested...
After the coordinator is networked, the terminal cannot be added to the network. After simulation, it is found that the following if statement is not true! ! ! ! ! if ( events & ZDO_NETWORK_INIT ) // ...
/******************************************************************** Serial port sends string function ************************************************************/ void UartTX_Send(unsigned char *Da...
Can anyone tell me what a communication protocol is? What is a communication protocol? I know the function and definition of a communication protocol. But what is its carrier? Is it a string of code? ...
When designing PCB, do you save the library file and PCB drawings in one folder? This makes it easier to share drawings. If others don't have this library, won't the 3D display be incomplete when they...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
In recent years, the development of automotive batteries has become a focus of attention. Compared with other rechargeable batteries, lithium-ion batteries have the advantages of high specific ene...[Details]
The growing development of wireless networks enables them to support various types of services. Therefore, it is necessary to ensure the QoS of various services and improve the system utilization. To ...[Details]
Many industrial fields such as industrial automation, logistics, and smart grids require that machinery and products be safe and have passed functional safety certification. When developing machine...[Details]