After a few days of adjustment, I finally got the NRF24L01 module working. Due to a mistake, I accidentally marked the wrong position of the RST pin, so I re-drew the circuit.This time, the back resis...
[font=微软雅黑][size=3]It is reported that Seiko Epson plans to close its factory in Shenzhen, China in March 2021, mainly due to rising labor costs, stricter environmental standards and sluggish sales of...
I found that many novices and many books have no rules for microcontroller C programming. I would like to post a naming rule for microcontroller C programming. I hope everyone can write C programs acc...
MP3 chargers are one of the most easily damaged accessories. After repairing many types of chargers, I found that they basically all use switching power supply circuits, and the circuit structures are...
[i=s] This post was last edited by ycdhonker on 2014-10-31 16:22 [/i] [align=left] I got the board on 10.30. First of all, I would like to thank Qingke, Weixue and EEWORLD for providing a Wi-Fi experi...
[i=s] This post was last edited by dontium on 2015-1-23 13:32 [/i] I received a controller from a supplier today, it was worth several K. A colleague was curious and secretly opened it. It would have ...
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
Preface
TD-SCDMA mobile communication standard is the world's third-generation mobile communication standard with independent intellectual property rights in my country. It has become a highli...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
As the demand for wireless and wired services in the communications market continues to grow, the telecommunications industry recognizes the need to break away from the shackles of proprietary or p...[Details]
Popular consumer electronics products such as game consoles, digital televisions (DTVs) and personal computers are becoming more and more versatile and feature higher performance. The enhanced data...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
Touch sensors have been in widespread use for many years, but recent advances in mixed-signal programmable devices have made capacitive touch sensors a practical, value-added alternative to mechani...[Details]
Touchscreen interfaces are a popular technology for industrial and commercial computer systems. Touchscreen technology eliminates the need for a keyboard or traditional mouse, instead enabling simp...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]