A friend sent me a picture and asked me to help him look at it. I found a very cool keyboard interface circuit on it. I posted it here to share. 16 keys, only 4 IOs are used. [img]http://bbs.21ic.com/...
[i=s] This post was last edited by dontium on 2015-1-23 13:37 [/i] After I burned the program and ran it, it showed "Can\'t Set Breakpoint: Error 0x00000008/-1076 Error during: Break Point, Cannot set...
[align=left][font=微软雅黑][size=3]The trend of smart home has been blowing again and again, and the concept of wearables has also been popular in the past two years. As an ordinary person, have they real...
[i=s] This post was last edited by Meng Lingmin on 2014-2-28 13:46 [/i] Nowadays, do more companies use TI or PIC? Personally, I prefer the low-power MSP430. I don't have much contact with PIC and don...
I used threadx queue a few days ago and took a closer look. The function prototype is
UINT tx_queue_create(TX_QUEUE *queue_ptr,CHAR *name_ptr,UINT message_size,VOID *queue_start,ULONG queue_size);mess...
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
According to foreign media reports, researchers at the University of Surrey have developed an artificial intelligence system that can accurately locate the location of equipment in densely populate...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
Industrial computers with GPUs leverage powerful parallel processing to build deep learning models to analyze and respond to optical inputs. The systems develop an understanding of visual data to i...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
HTTP is the abbreviation of Hypertext Transfer Protocol. It is an application protocol based on TCP/IP communication protocol used to transmit HTML and image files. It is an application-level objec...[Details]
Shanghai, China, August 21, 2025 –
Toshiba Electronic Devices & Storage Corporation (“Toshiba”) today announced the launch of the TLX9161T
, an automotive photorelay in a compact SO12L-T pa...[Details]
01. Introduction
As in-vehicle networks migrate from the CAN
bus
to
Ethernet
, traditional millisecond-level synchronization accuracy can no longer meet the requirements of mul...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
On August 20, Reuters reported that two sources revealed that U.S. Commerce Secretary Howard Lutnick is exploring the possibility of using CHIPS Act funds in exchange for equity stakes in chip manu...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]