LED Driver for bicycle
Hi. In an autumn it began dark to return from working on bicycle, it was time to make light-emitting-diode headlights for my ferrous horse.
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Hi. In an autumn it began dark to return from working on bicycle, it was time to make light-emitting-diode headlights for my ferrous horse.
Hi. Today I want to introduce another interesting gadget. I’ll start with the fact that I go to work by bike, my way is through a park where a lot of people. So I have long pondered loud bicycle bell. Wandering through the Internet on the resource vrtp.ru i found a scheme of the car police style siren. I really liked it and I decided to make it for myself .