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with the lm335n temperature sensor. i am getting rather odd voltage drops approximately 1.20v and i am at room temperature. it is uncalibrated. I have tried several different lm335n's but they are all giving me the same value so it cant be a fault with the component. does it need to be...
ok the relays have a resistance of 400 ohms and the diodes have a 1vdrop so the current is 11/400 = 27.5mA.
I think i have figured my original problem the lm317 needs 3mA of current load currently it has closer to 1mA. I will make another 5k branch parallel to the lm335.
any idea on how to...
Hey guys, i am trying to build a simple temperature controller. That will turn on a heater when it is less than a set temperature and turn on cooling device when it is to hot and does nothing at the set temperature. To do that i did it a bit of research and i put together the below. Which i hope...
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