A modular capacitive touch sensor system comprising: (a) a housing holding: (i) a capacitive sensing circuit; (ii) a network communication circuit configured to communicate with the capacitive sensing circuit; (iii) a first releasable electrical connector portion configured to communicate with the capacitive sensing circuit; and (iv) a second releasable electrical connector portion configured to communicate with the network communication circuit; wherein the housing further provides a front face supporting a first releasable mechanical interconnection portion; and (b) an electrode support providing a second releasable mechanical interconnection portion connecting releasably with the first releasable mechanical interconnection portion at an interface, the electrode support holding: (i) a plurality of electrically conductive electrodes (22, 40, 42) on a front face of electrode support; and (ii) a third releasable electrical connector portion configured to communicate with the electrode (22, 40, 42) and configured to engage the first releasable electrical connector portion when the electrode support is attached to the housing, wherein the capacitive sensing circuit includes a calibration value storage memory configured to communicate with the network communication circuit to receive a calibration value therefrom, the calibration value determining a capacitive sensing switch point for change in capacitance of the electrode (22, 40, 42), the touch sensor system also configured to implement slide sensitivity by monitoring a time change of capacitance through central electrodes of the plurality of conductive electrodes or by measuring the relative capacitance between adjacent electrodes of the plurality of conductive electrodes (22, 40, 42). (a) a housing holding: (i) a capacitive sensing circuit; (ii) a network communication circuit configured to communicate with the capacitive sensing circuit; (iii) a first releasable electrical connector portion configured to communicate with the capacitive sensing circuit; and (iv) a second releasable electrical connector portion configured to communicate with the network communication circuit; wherein the housing further provides a front face supporting a first releasable mechanical interconnection portion; and (i) a capacitive sensing circuit; (ii) a network communication circuit configured to communicate with the capacitive sensing circuit; (iii) a first releasable electrical connector portion configured to communicate with the capacitive sensing circuit; and (iv) a second releasable electrical connector portion configured to communicate with the network communication circuit; wherein the housing further provides a front face supporting a first releasable mechanical interconnection portion; and (b) an electrode support providing a second releasable mechanical interconnection portion connecting releasably with the first releasable mechanical interconnection portion at an interface, the electrode support holding: (i) a plurality of electrically conductive electrodes (22, 40, 42) on a front face of electrode support; and (ii) a third releasable electrical connector portion configured to communicate with the electrode (22, 40, 42) and configured to engage the first releasable electrical connector portion when the electrode support is attached to the housing, (i) a plurality of electrically conductive electrodes (22, 40, 42) on a front face of electrode support; and (ii) a third releasable electrical connector portion configured to communicate with the electrode (22, 40, 42) and configured to engage the first releasable electrical connector portion when the electrode support is attached to the housing,