The fact that you need only a fractional ampere at the base to produce voltage necessary for tripping a relay is incredible. I think the silicon transistor is a great all around component for amplifying voltages. It’s been awhile since I messed with this stuff, and when I did, all I had to do was to follow existing schematics rather than come up with my own designs. Perhaps a bunch of resistors in series could do it, I don’t know. You probably need some kind of check system to guard the base of the transistor and ensure that the voltage is within acceptable parameters. You have to guard against too much current going in according to the article otherwise it could damage the transistor and any other components to which it’s attached. December 31, - Yeah, but that amplification can be a double edged sword.
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