14 important parameters of the LED chip
1. Forward working current If: It refers to the forward current value when the light-emitting diode is normally illuminated. In actual use, the IF should be selected below 0.6·IFm as needed. 2. Forward working voltage VF: The operating voltages given in the parameter tab ---MORE---
Mercedes-Benz and battery supplier SK compete with Tesl…
According to foreign media reports, until last year, Tesla is still providing components and batteries for Mercedes-Benz B-class electric cars. But the two companies later cut off part of their relationship, and Mercedes began looking for a new supplier. Now it has found a com ---MORE---
LED intelligent reflective flashing to improve pedestri…
   The Finnish National Technical Research Centre teamed up with Coreplast Laitila to create a reflector that can be wirelessly controlled via a mobile phone application. The invention is equipped with conventional reflective sensors, LED lights, wireless charging and communication. Refl ---MORE---
China's overcapacity makes the world worry
Weak domestic demand in the international market and a slowdown in China's economic growth have led to overcapacity in China's coal industry. To cut excess capacity, the Chinese government announced that it will close 1,000 coal mines in 2016, with a combined capacity ---MORE---
The Qualities Teachers Should Have in Electrical and El…
Qualifications for instructors of electrical and electronic technology internships Wang Huiling (Shanxi Comprehensive Vocational and Technical College, Light Industry Branch, Taiyuan, Shanxi 030013) In order to fully exert such a role, industrial and electronic internship instructors must consolid ---MORE---
The use of paraffins with different melting points
High Melting Point - This wax is ideal for making cylindrical candles, hand-dip fine candles, molded candles, shaped or carved gift candles. This wax is very hard and does not retain its fragrance. Its melting point is 145 degrees Fahrenheit or 63 degrees Celsius. The use of wax is ---MORE---
Several possible automotive LED lighting drive innovati…
In today's rapidly evolving automotive lighting market, the role of LED drivers is particularly important: to provide car manufacturers with more energy-efficient options to meet consumer fuel economy requirements, improve visibility safety to reduce or avoid traffic accid ---MORE---