First, the LED display repair detection method 1. Short-circuit detection method, adjust the multimeter to the short-circuit detection block (generally with alarm function, such as the sounding when the conduction is made), detect whether there is a short circuit phenomenon, and fin
Read moreAccording to the Shanghai New Energy Vehicle Promotion Office, the number of Shanghai new energy vehicles in Shanghai in the first seven months of 2017 reached 16,511. It shows that the new energy vehicles in Shanghai are still welcomed by the general public and will continue
Read moreZou Shichang, an academician and materials scientist at the Chinese Academy of Sciences, said: "China's integrated circuit chips have been imported over petroleum," causing great concern for China's integrated circuit industry. Last week, the Cross-Strait Integrated Circu
Read moreIn recent years, China’s economy has grown continuously and rapidly. It not only provides a huge market space for the development of the communication optical cable industry, but also creates favorable conditions for the communication optical cable industry to accumulate capital, te
Read moreIHS iSuppli's research shows that the Japanese earthquake and tsunami caused crystal shipments in April to be delayed by four weeks from March, affecting the supply of key components used in such products as mobile phones and computers. In April, the average delivery time of the MHz a
Read moreThe Southern Snow Disaster and the 5.12 Wenchuan Earthquake that occurred in the spring of 2008 posed a severe test on China's emergency communications and disaster backup communications systems. In these two huge natural disasters, the communication network in the disaste
Read moreAbstract: This applicaTIon note describes a PC program, downloadable for free, to assist in the evaluaTIon of the MAX7219 and MAX7221 LED display drivers. The MAX7219 and MAX7221 are 8-digit, 7-segment, common-cathode, mulTIplexed, LED display drivers which drive up to 40mA pe
Read more   "My Skyworth TV has not been repaired three times and I have not changed it for me!" “My Skyworth TV started to be black on the third day, and it was very frequent!†"My Skyworth TV has just been out of warranty, this is the quality?! Is the timi
Read moreLED packaging technology is mostly developed and evolved on the basis of discrete device packaging technology, but it has great speciality. In general, the die of the discrete device is sealed within the package, and the package functions primarily to protect the die and com
Read moreOn May 19th, Dajin Jingdian's joint venture company reached Dongfang Energy Management and signed a cooperation agreement with Foshan Electrical Appliances to produce LED street lamps. Dajin Jingdian (00515) announced that its joint venture company Dajin Eastern Energy Management and Foshan El
Read moreAccording to the news on March 7, in December last year, Google (Google) and industry manufacturers jointly launched the 10X10G 100Gbps optical transceiver module multi-source agreement (MSA). These manufacturers claim that their joint 10X10 MSA protocol has been successfully
Read moreMouser Electronics has announced the availability of the Texas InstrumentsTM DSDCDC LED KIT TMS320C2000TM DC/DC LED Lighting Development Kit. The Texas InstrumentsTM DSDCDCLEDKIT TMS320C2000TM DC/DC LED Lighting Development Kit includes all the hardware and software needed to start
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