A sensing circuit configured to activate a controller comprising: a transistor configured to output an activation signal to the controller; a plurality of switches (S1, S2) disposed in a remote switch in connection with a base of the transistor, wherein each of the switches (S1, S2) is connected to an identifying resistor (R7, R8), wherein a first switch is connected to a first identifying resistor and a second switch is connected to a second identifying resistor; and a first output node and a second output node in communication with the base of the transistor and each of the switches (S1, S2), and wherein the first output node and the second output node are separated across a third identifying resistor; wherein the first output node is in communication with the controller via a first analog to digital input (AD_0) and the second output node is in communication with the controller via a second analog to digital input (AD_1); wherein the first analog to digital input (AD_0) and second analog to digital input are output from the sensing circuit to supply voltage to an A/D converter of the controller; wherein the first output node and the second output node are configured to output a characteristic voltage corresponding to a ratio of each of the identifying resistors (R6, R7, R8) in response to an input received by each of the plurality of switches (S1, S2); wherein the identifying resistors (R6, R7, R8) have a predetermined relationship, wherein the resistance of the third identifying resistor is approximately equal to the resistance of the second identifying resistor, and wherein the resistance of the first identifying resistor is approximately equal to twice the resistance of the third identifying resistor, wherein the predetermined relationship between the resistance of the identifying resistors (R6, R7, R8) is utilized by the controller to identify which of the plurality of switches (S1, S2) has received an input, wherein the sensing circuit is further configured such that if the second switch is closed, the voltage at the second analog to digital input (AD_1) will be approximately equal to the voltage difference between the first analog to digital input (AD_0) and the second analog to digital input (AD_1), wherein if the first switch is closed, the voltage at the second analog to digital input (AD_1) will be approximately equal to twice the voltage difference between the first analog to digital input (AD_0) and the second analog to digital input (AD_1). a transistor configured to output an activation signal to the controller; a plurality of switches (S1, S2) disposed in a remote switch in connection with a base of the transistor, wherein each of the switches (S1, S2) is connected to an identifying resistor (R7, R8), wherein a first switch is connected to a first identifying resistor and a second switch is connected to a second identifying resistor; and a first output node and a second output node in communication with the base of the transistor and each of the switches (S1, S2), and wherein the first output node and the second output node are separated across a third identifying resistor; wherein the first output node is in communication with the controller via a first analog to digital input (AD_0) and the second output node is in communication with the controller via a second analog to digital input (AD_1); wherein the first analog to digital input (AD_0) and second analog to digital input are output from the sensing circuit to supply voltage to an A/D converter of the controller; wherein the first output node and the second output node are configured to output a characteristic voltage corresponding to a ratio of each of the identifying resistors (R6, R7, R8) in response to an input received by each of the plurality of switches (S1, S2); wherein the identifying resistors (R6, R7, R8) have a predetermined relationship, wherein the resistance of the third identifying resistor is approximately equal to the resistance of the second identifying resistor, and wherein the resistance of the first identifying resistor is approximately equal to twice the resistance of the third identifying resistor, wherein the predetermined relationship between the resistance of the identifying resistors (R6, R7, R8) is utilized by the controller to identify which of the plurality of switches (S1, S2) has received an input, wherein the sensing circuit is further configured such that if the second switch is closed, the voltage at the second analog to digital input (AD_1) will be approximately equal to the voltage difference between the first analog to digital input (AD_0) and the second analog to digital input (AD_1), wherein if the first switch is closed, the voltage at the second analog to digital input (AD_1) will be approximately equal to twice the voltage difference between the first analog to digital input (AD_0) and the second analog to digital input (AD_1).