Determining rotation using sensor displaced from magnet

A method for controlling one or more heating, ventilation, and air conditioning (HVAC) components, the method comprising:

• generating, by a sensor of a device configured to control the one or more HVAC components, an electrical signal which indicates the rotational position of a magnet, wherein the device comprises:
• a first rotatable part;
• a second rotatable part configured to engage with the first rotatable part, wherein a rotation of the first rotatable part causes the second rotatable part to rotate;
• the magnet located on the second rotatable part, wherein the magnet rotates with the second rotatable part;
• the sensor;
• wherein the sensor comprises a first hall effect sensor and a second hall effect sensor;
• and
• processing circuitry;
• generating, by the first hall effect sensor, a first electrical signal component;
• generating, by the second hall effect sensor, a second electrical signal component;
• receiving, by the processing circuitry from the sensor, the electrical signal which indicates the rotational position of the magnet;
• changing, by the processing circuitry, one or more parameters based on a change in the rotational position of the magnet;
• identifying, by the processing circuitry, a value of the first electrical signal component;
• identifying, by the processing circuitry, a value of the second electrical signal component;
• and
• determining, by the processing circuitry, the rotational position of the magnet based on the value of the first electrical signal component and the value of the second electrical signal component.

A system comprising:

• a device comprising:
• a first rotatable part;
• a second rotatable part configured to engage with the first rotatable part,
• wherein a rotation of the first rotatable part causes the second rotatable part to rotate;
• a magnet located on the second rotatable part,
• wherein the magnet rotates with the second rotatable part;
• a sensor configured to generate an electrical signal which indicates a rotational position of the magnet;
• wherein the sensor comprises a first hall effect sensor and a second hall effect sensor, and
• wherein to generate the electrical signal, the sensor is configured to:
• generate, by the first hall effect sensor, a first electrical signal component;
• and
• generate, by the second hall effect sensor, a second electrical signal component,
• wherein the first electrical signal component and the second electrical signal component indicate the rotational position of the magnet;
• and
• processing circuitry configured to:
• receive, from the sensor, the electrical signal which indicates the rotational position of the magnet;
• change one or more parameters based on a change in the rotational position of the magnet;
• identify a value of the first electrical signal component;
• identify a value of the second electrical signal component;
• and
• determine the rotational position of the magnet based on the value of the first electrical signal component and the value of the second electrical signal component;
• and
• one or more heating, ventilation, and air conditioning (HVAC) components configured to regulate an environment in an area of a building based on the one or more parameters.