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 on a front face of electrode support ; and (ii) a third releasable electrical connector portion configured to communicate with the electrode 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 , 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 . (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 on a front face of electrode support ; and (ii) a third releasable electrical connector portion configured to communicate with the electrode 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 on a front face of electrode support ; and (ii) a third releasable electrical connector portion configured to communicate with the electrode and configured to engage the first releasable electrical connector portion when the electrode support is attached to the housing , <EOS>