OK Funky
that about sum's it up for me too you can pm anytime.talk too you later
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OK Funky
that about sum's it up for me too you can pm anytime.talk too you later
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Led as light sensor
Hi,
I used leds years ago as light sensors for a solar tracker. I also remember taking the cap off of a ck722 transistor (Some of the first commercial transistors) and using it like a phototransistor.
How's that for dating myself!!!!!
Joe
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Doesn't "dating oneself" lead to hairy palms?Originally Posted by Joval
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Aparently so Joval, as far back as 1978 it says in the pdf i read, and their only just telling us now? BTW i hear Veet works well on them Palms, lol
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An LED as a light Sensor
Don't worry about dating yourself?... Remember the OC71 germanium transistor and the OCP71 photo transistor. They were the same device but the OC71 was covered in black paint and cost 10 times less than the OCP71 so we used to scrape the paint off! The manufacturers retaliated by filling the OC71 with opaque paste. We got around this by attatching the transistor by its legs into a spin dryer and driving the paste down away from the junction. Those were the days! John, PIC newby.
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Led as light sensor
All,
Thanks for the comments!!! YOUNG WHIPERSNAPPERS!!!!
Yea, those were the days before the 2N nomenclature. Remember well the OCs and the transistor gain testers.
Joe
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Everything else but lamps, HeathKit kits, first analog VOM... that's were the days
Argghhh we're all old now
Steve
It's not a bug, it's a random feature.
There's no problem, only learning opportunities.
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