[Harvs] hacked a cheap PID controller he found ... this meant the controller was assuming the cold junction was at room temperature, and would in many cases be significantly inaccurate.

The dual-channel PID controller was originally meant as a humidity and temperature controller and was based on existing software for an ATmega328. But after years of tinkering, adding new features ...

For example, a temperature sensor positioned a long distance from a heater can slow response to dynamic changes. Changes in machines and processes due to disturbances and set point changes are why PID ...

a built-in Proportional-Integral-Derivative (PID) temperature controller to regulate water temperature for precise, consistent brewing; a proprietary “ThermoJet” system that makes the Bambino ...

From advanced PID temperature control to dual boiler ... The Mio is durable, stylish, luxurious, and gives you total control over brewing a delicious shot of espresso. “The Diletta Mio is ...