Quote:
Originally Posted by daplatapus
I'm was going to be using the DS18B20. It's got 3 legs on it 1 of which is a ground that goes to the Arduino's ground plane. I though maybe I could share that ground too but by Chris' schematic the fan grounds all go through either a 10K resistor or through a 2N3904 transistor and I wasn't sure if that would work...
Which actually brought me to another question about that 10K resistor. All I have here is a huge 3W10K resistor, will that still work in that fan circuit?
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Hey Dom, the DS18B20 should be able to share a ground with the fan circuit but, yes, Chris' fan scheme might present some issues. Then again, that damn schematic he posted is so damn small I can hardly tell what's what - I'm going blind staring at that thing. Can you post a bigger version of it?
05-03-2013, 12:59 AM
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