I'm preparing to build a controller for a fermentation chamber in a refregirator and I'm about to buy this :
http://www.ebay.ca/itm/110V-120V-All-purpose-Digital-Temperature-Controller-STC-1000-With-sensor-/221218317516?pt=LH_DefaultDomain_0&hash=item3381a3a4cc&_uhb=1#ht_3687wt_1163
I saw many...