Hi I am new to this forum ![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
I have search google for about two days now, and searched this forum also.
I am basically looking for circuit diagram to build a control switch / relay for 12V DC power:
I effectively only want to power the device if the device is between min and max set limit (degrees celcius).
I have seen how they do the incubators regarding temp control ect. but this is not really what I am looking for.
Attached a sample picture of similar device:
I know this device costs $20, but the parts most likely $1.5
My idee is for usage with:
I have search google for about two days now, and searched this forum also.
I am basically looking for circuit diagram to build a control switch / relay for 12V DC power:
I effectively only want to power the device if the device is between min and max set limit (degrees celcius).
I have seen how they do the incubators regarding temp control ect. but this is not really what I am looking for.
Attached a sample picture of similar device:
I know this device costs $20, but the parts most likely $1.5
My idee is for usage with:
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