A modular controller to control flow of power from a power source to a motor device, comprising: an enclosure having an interior; a motherboard that is generic and includes a signal trace and a power trace supported within the interior of the enclosure; a plurality of pin seats that have a common number of pins are supported by the motherboard within the interior of the enclosure, and are connected to the signal trace and the power trace; and a device section including: (a) an input power section, including: an input power connector seated in the enclosure; an input power pin seat of the plurality of pin seats, and an input power cable connecting the input power connector to the input power pin seat; (b) an electromagnetic interference section; (c) a logic section; (d) a control section; (e) an output power section, including: an output power connector seated in the enclosure; an output power pin seat of the plurality of pin seats; and an output power cable connecting the output power connector to the output power pin seat; and (f) a signal section, including: a signal connector seated in the enclosure; a signal pin seat of the plurality of pin seats; and a signal cable connecting the signal connector to the signal pin seat; wherein the device section, is peculiar to an electrical device operatively associated with the modular controller, and is supported by the motherboard to selectively flow electrical power through the power trace using a control signal carried by the signal trace; wherein: each of the plurality of pin seats is arranged to receive a respective one of a plurality of daughterboards (156, 164, 172); and the modular controller further includes a plurality of card locks arranged with the interior of the enclosure for fixation of respective ones of the plurality of daughterboards (156, 164, 172) seated on the motherboard. an enclosure having an interior; a motherboard that is generic and includes a signal trace and a power trace supported within the interior of the enclosure; a plurality of pin seats that have a common number of pins are supported by the motherboard within the interior of the enclosure, and are connected to the signal trace and the power trace; and a device section including: (a) an input power section, including: an input power connector seated in the enclosure; an input power pin seat of the plurality of pin seats, and an input power cable connecting the input power connector to the input power pin seat; (b) an electromagnetic interference section; (c) a logic section; (d) a control section; (e) an output power section, including: an output power connector seated in the enclosure; an output power pin seat of the plurality of pin seats; and an output power cable connecting the output power connector to the output power pin seat; and (f) a signal section, including: a signal connector seated in the enclosure; a signal pin seat of the plurality of pin seats; and a signal cable connecting the signal connector to the signal pin seat; (a) an input power section, including: an input power connector seated in the enclosure; an input power pin seat of the plurality of pin seats, and an input power cable connecting the input power connector to the input power pin seat; (b) an electromagnetic interference section; (c) a logic section; (d) a control section; (e) an output power section, including: an output power connector seated in the enclosure; an output power pin seat of the plurality of pin seats; and an output power cable connecting the output power connector to the output power pin seat; and (f) a signal section, including: a signal connector seated in the enclosure; a signal pin seat of the plurality of pin seats; and a signal cable connecting the signal connector to the signal pin seat; wherein the device section, is peculiar to an electrical device operatively associated with the modular controller, and is supported by the motherboard to selectively flow electrical power through the power trace using a control signal carried by the signal trace; wherein: each of the plurality of pin seats is arranged to receive a respective one of a plurality of daughterboards (156, 164, 172); and the modular controller further includes a plurality of card locks arranged with the interior of the enclosure for fixation of respective ones of the plurality of daughterboards (156, 164, 172) seated on the motherboard. each of the plurality of pin seats is arranged to receive a respective one of a plurality of daughterboards (156, 164, 172); and the modular controller further includes a plurality of card locks arranged with the interior of the enclosure for fixation of respective ones of the plurality of daughterboards (156, 164, 172) seated on the motherboard.