To reduce the temperature swing, [Rhys] decided to add a PID control loop ... resulting in a perfect brew every time. Enjoy [Rhys’s] video where he explains his build: ...

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 ...

But, for our purposes, a PID controller is like a super accurate thermostat. It provides precise temperature control for your brewing water and keeps it consistent. Tamp: The act of compressing ...

Take, for instance, the machine’s PID (proportional integral derivative) temperature controls. Coffee experts will know that a higher brewing temperature yields a more bitter taste, while cooler ...