Abstract: A device and system for regulating resistance and reporting information related to the generation of consumable electricity is disclosed. Some devices and systems include the following: a housing having a first side and a second side, the first side adapted to be operated by a user and the second side adapted to be joined with an exercise machine, a switch positioned on the first side of the housing, a resistance knob positioned on the first side of the housing, the resistance knob enabled to adjust a resistance level of the exercise machine, a data module located within the housing, the data module being adapted to measure the amount of energy generated by a user and a display screen positioned on the first side of the housing adapted to display the amount of energy generated.