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Author Topic: motor driven water pump for cooling a still  (Read 352 times)
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Hi all New Bee here,

i have a temp sensor that will monitor the still temperature and will turn the pump on/off with pin 6 PWM driving a FET.

My problem, The PWM seems 25% on or fully on , nothing in between. would like so is slow then get faster, or fast then slow down , but my PWN

I my code below, it is a mix of my own and some else s i have modded
any tips?





* test.doc (31.5 KB - downloaded 11 times.)
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I don't think you connected the grounds, Dave.
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Is a PID really essential for maintaining temperature on something as large as a still?
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