A Thermocouple is a terrific way to measure temperature. The effects of temperature change on dissimilar metals produces a measurable voltage. But to make that measurement you need an amplifier cir… ...

Thermocouple circuits can have more than one cold junction, ... (PID) control has been used for decades and is rapidly finding applications in the discrete world.

Cleveland Heights; Defective thermocouple can prevent furnace or water heater from working: The Weekly Fix. Updated: ; Jan. 30, 2015, 5:12 p.m. | Published: ; Jan. 30 ...

From the latest comments, it looks like the guys are RepRap project are even interested in the thermocouple PID control that [Nash] implemented. Posted in Arduino Hacks, home hacks, Misc Hacks.