A lawn care device (10) may include a mobility assembly (42,44) configured to facilitate movement of the lawn care device over ground, a cutting deck (40) housing at least one blade, an engine (50) operably coupled to the at least one blade via a rotatable shaft to enable the at least one blade to cut vegetation responsive to rotation of the at least one blade, a control unit (110) configured to be in communication with at least one functional unit of the lawn care device, at least one sensor (142) disposed to monitor the at least one functional unit, a transmitter (144) operably coupled to the sensor to wirelessly transmit a signal from the sensor to the control unit based on operation of the at least one functional unit, and an energy harvester (146) configured to convert energy from a source of origin into electrical energy, the electrical energy being employed for powering the at least one sensor and the transmitter.
