Now I use Lingyi's WIFI. The hardware platform is PXA270 and the interface is SPI. At present, the system has initialized SPI, and then read the WIFI ID normally. However, when loading the firmware, t...
Everyone's reply points rewards have been directly distributed
However, due to the anniversary celebration, the budget for the activity of exchanging zongzi for Zongzi Festival this year has been move...
A junior student asked me about my graduation project: How to measure the amplification factor of a transistor?condition:1. 9012 9013 8050 80552. Commonly used resistors of 470 1K 10K 47K3. Both the 5...
[table=98%] [tr][td]Sometimes we need to know the remote control key code when programming, what should we do! This requires making a circuit to check the remote control key code[/td][/tr] [/table]...
What do you think of this technology? After years of actual use and improvement by users in different fields, the SL series Super-Zigbee direct sequence spread spectrum wireless communication module h...
Last time I wanted to buy an MSP430 LaunchPad development board, but I didn’t get one. Haha, this time it’s great.Plan: Make a remote management controller that can adjust the parameters of the device...
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]