Low-power force sensor

A method for measuring fluid flow, the method comprising:

• receiving fluid at a fluid inlet port of a fluid passageway, wherein the fluid passageway is coupled to a pivotable arm extending from a resilient deflectable structure of a support element;
• routing the received fluid from the fluid inlet port through a fluid passageway for output through a fluid outlet port;
• and
• generating an output signal from a force sensing element supported by the support element and operatively coupled to the at least one pivotable arm, wherein the output signal generated by the force sensing element is proportional to a net force associated with a flow of the received fluid from the fluid inlet port through the fluid passageway and output through the fluid outlet port.

A force sensor system comprising:

• a support body and at least one arm pivotably mounted to the support body;
• a fluid passageway coupled to the at least one arm;
• and
• a remote sensor that measures position of the fluid passageway and generates a corresponding output signal.