Keeping electronics cool is a never-ending challenge for project teams of systems ranging from automotive infotainment, to motor drives, and to power supplies. The ETA International Electronics Associate Comprehensive (EM5) certification is one of five modules encompassing ETA-I’s Associate level certifications. Refrigeration essentially uses small air conditioners, or refrigerators, to cool electronics. The only guys I know who have ever seen and appreciate this tool have been Military trained or A&P Mechanics.
The Avionics Electronics Technicians (AVN) certification is designed to assess the knowledge and skills of individuals who install, maintain and adjust electronics equipment, cabling and the accessories used in aviation communications and control equipment.
The somewhat unreliable Cortina never really caught on in the United States, but in England they were both ubiquitous family sedans and pretty cool street cars. Rapid changes from warm areas on the ground to cold areas at high altitudes can place stresses on electronics involving thermal coefficients of expansion. I couldn’t believe I couldn’t find these items locally – no Radio Shack that I called carried either the germanium diodes or the earphone and the few electronics shops I called carried the earphone but it was $10.00 and no germanium diodes. The challenge in most designs is getting that excess heat away fast enough and far enough so that the source remains sufficiently cool.
The gadgets in our main Electronic Gadgets category include solar products like solar phone and laptop chargers; LED watches with cool light effects or amusing cryptic ways of displaying the time; laser gadgets such as handheld laser pointers and disco lights; and loads of other small and interesting electronic gizmos.
In the subcategories like Cool Gadgets and Geek Gifts you can find any tech fans dream, like virtual cinema video glasses, digital dictafones, audio cassette to MP3 converter, iOS app, remote controlled toy helicopters, also musical gadgets that are perfect for younger customers like piano gloves and roll up keyboard.