At the 2013 China Refrigeration Industry Summit Forum held recently, the 2012-2013 China Refrigerator Market Research Report (…
Scientists at Columbia University in the United States have recently succeeded in developing a "nano-spider" micro- robot composed of DNA molecules that can walk, move, turn, and stop freely following the trajectory of DNA, and they ca…
1. Always wipe with a moist cotton swab
The pinch roller of the cassette player in the audio and the head of the cd player are places whe…
The RS-485 interface chip can play a role of level conversion. It converts TTL signals, COMS signals, etc. into differential signals that can be transmitted on the 485 bus, and converts the received 485 differential signals into TTLs that the MCU can recognize. The COM…
At 14:42 pm on the 21st, there was a 4.941 million non-automatic match of Lenovo Group in the Hong Kong stock market, and the of…
With the development of the automotive industry, more and more advanced lighting technologies are getting more applications in automobiles. Among them, light-emitting diode (LED) lighting has the advantages that halogen lamps and xenon lamps can't match, such as long l…
Lumia equipment is based on the appearance of design and excellent workmanship on the WP platform mixed with the wi…
When Ethernet is compared with other fieldbuses that are recognized by the industry as deterministic, there is a fierce debate about Ethernet and determinism. Some people think that the industrial Ethernet system is less deterministic than other specialized industrial field bus systems. He…