Hello.
I posted something like this on the greenboard, but I thought I would try it here, after seeing all of the good DIY stuff on your site. BTW, I like this forum a lot....
Anyway, what I would like to do is convert a simple kettle, say an AL turkey fryer pot to an HLT which would allow me to turn it on a few hours before brewing, and turn off automatically, when it reaches, say 170 degrees. I would like to use a 120V heating element, with say 12-20 amps of draw.
I am comfortable with electricity, but don't know much about electronics beyond the function of resistors, capacitors, potentiometers.
I am thinking, based on threads I have seen here and there, that a person could make a stainless or copper temp probe, which would send a voltage to an amplifier chip, which would trigger at a certain voltage? current?, closing or opening a relay to shut off the heating element.
People on the greenboard suggested a Love controller, PIC controller, Ranco, etc. These are good ideas, but I am looking for something more, DIY (and cheap for that matter) The reason I got thinking about this is I am planning a parts order from Mouser or similar to assemble the stir plate control circuit (as featured on this forum, thanks), and was fascinated by LM34 sensors, and the like.
Thoughts?? Thanks in advance.
I posted something like this on the greenboard, but I thought I would try it here, after seeing all of the good DIY stuff on your site. BTW, I like this forum a lot....
Anyway, what I would like to do is convert a simple kettle, say an AL turkey fryer pot to an HLT which would allow me to turn it on a few hours before brewing, and turn off automatically, when it reaches, say 170 degrees. I would like to use a 120V heating element, with say 12-20 amps of draw.
I am comfortable with electricity, but don't know much about electronics beyond the function of resistors, capacitors, potentiometers.
I am thinking, based on threads I have seen here and there, that a person could make a stainless or copper temp probe, which would send a voltage to an amplifier chip, which would trigger at a certain voltage? current?, closing or opening a relay to shut off the heating element.
People on the greenboard suggested a Love controller, PIC controller, Ranco, etc. These are good ideas, but I am looking for something more, DIY (and cheap for that matter) The reason I got thinking about this is I am planning a parts order from Mouser or similar to assemble the stir plate control circuit (as featured on this forum, thanks), and was fascinated by LM34 sensors, and the like.
Thoughts?? Thanks in advance.