3 ms·
You have a point. Costing the components of a PID might actually be better. That said, a PID controller for my espresso machine cost about $200, but that was e
by chewxy 13y ago
You have a point. Costing the components of a PID might actually be better.
That said, a PID controller for my espresso machine cost about $200, but that was everything packaged in nicely.
- tptacek 13y agoThat's an insane price.
- sk5t 13y agoThe espresso machine kits traditionally use industrial PID controllers from Fuji and the like, which (did and still do) cost about $200. It looks like there are lots of nice $35 options now... neat.
- moocowduckquack 13y agoA 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...