[i=s]This post was last edited by alanlan86 on 2022-8-20 22:32[/i]Debugging tasksThis project needs to use wireless communication (LoRa) to communicate data and recognition results between check-in po...
The CAN-bus protocol is known for its high stability and high fault tolerance. However, many users still worry that CAN will receive wrong information when using it. They add CRC checksum to the data....
Soft waveguide is an indispensable connector for microwave equipment. It is generally diamond-shaped and has two flanges on each side, one without a slot and the other with a slot. It is made of coppe...
[i=s] This post was last edited by DDZZ669 on 2021-3-13 22:13 [/i] The previous article [Basics of Motor Control - Principle of Timer Capturing Single Input Pulse] (https://en.eeworld.com/bbs/thread-1...
I graduated with a master's degree this year, and moved to Wuhan, Chongqing, and Chengdu. Finally, I worked in scientific research in an institution in Chengdu. I feel very lucky. Thank you, Chengdu....
Tonight I randomly integrated the official SD card code into fatfs and made a simple video player. It seems to be quite effective. The SPI polling method does not use DMA, and the frame rate can reach...
1. The hidden meaning
The CEO of McDonald's once said, "If we were in the beer and wine business, we would eventually own 100% of the food service market!"
This statement caus...[Details]
1 Introduction Fingerprint recognition technology analyzes the local features of fingerprints and extracts detailed feature points from them, thereby reliably confirming personal identity. Fingerpri...[Details]
The PC market shows signs of recovery after "eight consecutive quarterly declines" Preliminary statistics from Gartner show that global personal computer (PC) shipments in the fourth quarter of 20...[Details]
Computer systems contain a wealth of electromagnetic radiation sources, which can pollute the electromagnetic environment and bring about a series of electromagnetic compatibility issues, including el...[Details]
In winter, visibility and light conditions in the evening are poor and drivers need to be more cautious. However, for users of Opel cars, this is not a problem.
(Image source: Stel...[Details]
Boston Dynamics' robot dog now has some new friendly competition, such as this quadrupedal robot Doggo designed by Stanford University students. It is understood that they will open source their desi...[Details]
Pin 1 is the power supply terminal connected to 5V power supply, pin 8 is grounded, pin 4 is the control terminal, not used for the time being. Pins 2, 6, and 7 are alarms. On the control side, pres...[Details]
Remote work and distance learning during the coronavirus outbreak continue to increase demand for PCs and laptops around the world. After a sharp decline in the first quarter of 2020, global PC shipm...[Details]
(Image source: Nexar's official website) Israeli company Nexar is developing a network of connected cars based on data collected by dashcams and a paired smartphone app, and the company has come...[Details]
Jiwei.com reported recently that industry insider @手机陶瓷达人 revealed on Weibo that AMD, MediaTek, Qualcomm and Bitmain have all asked TSMC to increase orders in the fourth quarter, and Apple is expecte...[Details]
As shown in the figure is a vibration test circuit. The test circuit consists of accelerometer TA-25, integrated operational amplifier 741 (IC1, IC3, IC5, IC7), low drift operational amplifier with fi...[Details]
August 20, 2019, San Diego - Qualcomm today announced that LG Electronics has signed a new global patent license agreement directly with Qualcomm. Under this five-year paid patent license agreement, ...[Details]
Recently, "my country's TV power-on rate has dropped to 30%" has become a hot topic in society, once again triggering widespread discussion about the future fate of televisions. In this context, th...[Details]
As people's quality of life improves, their requirements for the quality of food and medicine are getting higher and higher. This poses a serious problem for food and medicine manufacturers: How to so...[Details]