3 ms·
A mechanical spring thermometer that goes from 0 to 120 degrees C costs ~£3. Add a microswitch and a relay and you should be fine. http://www.ebay.co.uk/itm/Bu
by moocowduckquack 13y ago
A mechanical spring thermometer that goes from 0 to 120 degrees C costs ~£3. Add a microswitch and a relay and you should be fine.
http://www.ebay.co.uk/itm/Budget-Surface-Pipe-Thermometer-/370988569892?nma=true&si=M5EdqCeNKH%252BlwMGT0tsvpjbGigQ%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557 http://www.ebay.co.uk/itm/Budget-Surface-Pipe-Thermometer-/3...