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[Vinod] has done a lot of work with microcontrollers, but this is his first try at displaying graphics using composite video. He had a small PAL television on hand, and an ATmega32 which just needs a stable clock source and a few resistors to get things going. There are a lot of other hacks around [...]

Tags:  lot experimenting bit vinod pal clock-source atmega32 displaying-graphics microcontrollers  

The folks over at Toymaker Television have put together another episode. This time they’re looking at bridge rectifiers and how they’re used in AC to DC converters. This is a simple concept which is worth taking the time to study for those unfamiliar with it. Since Alternating Current is made up of cycles of positive [...]

Tags:  bridge experimenting time bridge-rectifiers dc-converters ac-to-dc how-to