Radio Frequency Identification (RFID) technology is a contactless automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barcode ...
The microcontroller is 5V, but many indicator lights are 24V. Most indicator lights have a current of 10~100MA, and there are usually more than 10 of them. I often use optocouplers + transistors to sw...
With the continuous progress of society, the security industry continues to grow rapidly, and security products have been widely used. Whether it is public utilities, commercial or civilian, security ...
[i=s]This post was last edited by yhyworld on 2019-11-20 16:38[/i]See Figure 1,LM5118 specification, 8.2.1 Design Requirements, minimum load current (CCM operation) = 600mA.
Figure 2 is Figure 19 ment...
[i=s]This post was last edited by btty038 on 2018-11-30 13:37[/i] The above test effect diagram, with further + high voltage frequency,... [b][color=#5E7384]This content is originally created by EEWOR...
Some measurements that were "cutting-edge" a few years ago are now routine. Almost every engineer can tell a story about how they tracked down a problem caused by a few nanoseconds of delay or an al...[Details]
1 Introduction Waveform generators have been widely used in various fields such as communication, control, and measurement. Waveforms such as sawtooth waves, sine waves, and square waves are ofte...[Details]
The human brain contains tens of billions of neurons and hundreds of billions of synapses. Its extremely complex and precise connections and interactions in structure and function are the material ba...[Details]
MSP 430 MCU key program #include msp430x14x.h #include "key.h" void Init_Port(void) { //Set all pins of P1 port to input mode during initialization P1DIR = 0; //Set all pins of ...[Details]
In the era of industrial Internet of Things, as the application market continues to be segmented and specialized, application scenarios have become more flexible and changeable, and customized needs ...[Details]
With the rapid development of digital and portable products such as mobile phones, PDAs, DSCs, GPS, and the improvement of LCD manufacturing technology. Color LCD screens are becoming more and more...[Details]
After months of beta testing, OnePlus is now rolling out the OxygenOS 12 stable update to OnePlus 9 and 9 Pro users around the world. The new version of OxygenOS 12 update brings UI updates a...[Details]
The beginning of September can almost be considered iPhone time. Apple will take the stage on the 11th to announce the new iPhone 11 lineup in the spotlight. According to the information currently ...[Details]
This is the body-in-white welding spot robot workstation taken on August 16. On the same day, the 2023 World Robot Conference opened in Beijing. The theme of this conference is "Open Innovation and ...[Details]
The delay accuracy generated by using a timer is indeed high, but it is also relatively troublesome. Although the software delay is not very accurate, it is relatively simple and easy to use. It ...[Details]
The shape of the track sensor we made is as follows:
3.1 Hardware Design
3.1.1 Sampler Design
In order to accurately determine the trajectory, four photoelectric samplers are considered to samp...[Details]
The first charge of the apcups power supply is called initial charge, which has a great impact on the service life and charge capacity of the apcups power supply. If the charge is insufficient, the c...[Details]
Human-machine interface (HMI) and human-computer interaction interface are closely related concepts. They are both used to describe the interface and method of interaction between humans and comput...[Details]
Abstract: This paper introduces the re-development of the spherical indicator fault detector of a certain type of imported helicopter using CMOS digital integrated circuit technology. It designs...[Details]
Microcontroller MCU
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