A driver system, comprising: a counter unit having a first input terminal and a plurality of first output terminals (Q1, Q2, Q3, Q4), wherein the counter unit is adapted to receive a driving signal via the first input terminal and sequentially activate the first output terminals (Q1, Q2, Q3, Q4) following a predetermined counting sequence, thereby outputting a control signal; characterized in that the driver system further comprises: 3-state buffers electrically connected to the counter unit, comprising a plurality of second input terminals connected to the first output terminals (Q1, Q2, Q3, Q4), respectively, and a plurality of second output terminals adapted to output an isolated control signal; and a voltage regulation unit comprising a plurality of resistors (R1, R2, R3, R4) connected to the second output terminals, respectively, so that a corresponding control voltage for driving an electrical device is output from the resistor (R1, R2, R3, R4) receiving the isolated control signal, wherein the resistors (R1, R2, R3, R4) coupled to the second output terminals are connected in parallel with one another, and wherein the voltage regulation unit comprises an additional resistor connected in series with the resistors (R1, R2, R3, R4) coupled to the second output terminals. a counter unit having a first input terminal and a plurality of first output terminals (Q1, Q2, Q3, Q4), wherein the counter unit is adapted to receive a driving signal via the first input terminal and sequentially activate the first output terminals (Q1, Q2, Q3, Q4) following a predetermined counting sequence, thereby outputting a control signal; characterized in that the driver system further comprises: 3-state buffers electrically connected to the counter unit, comprising a plurality of second input terminals connected to the first output terminals (Q1, Q2, Q3, Q4), respectively, and a plurality of second output terminals adapted to output an isolated control signal; and a voltage regulation unit comprising a plurality of resistors (R1, R2, R3, R4) connected to the second output terminals, respectively, so that a corresponding control voltage for driving an electrical device is output from the resistor (R1, R2, R3, R4) receiving the isolated control signal, wherein the resistors (R1, R2, R3, R4) coupled to the second output terminals are connected in parallel with one another, and wherein the voltage regulation unit comprises an additional resistor connected in series with the resistors (R1, R2, R3, R4) coupled to the second output terminals. 3-state buffers electrically connected to the counter unit, comprising a plurality of second input terminals connected to the first output terminals (Q1, Q2, Q3, Q4), respectively, and a plurality of second output terminals adapted to output an isolated control signal; and a voltage regulation unit comprising a plurality of resistors (R1, R2, R3, R4) connected to the second output terminals, respectively, so that a corresponding control voltage for driving an electrical device is output from the resistor (R1, R2, R3, R4) receiving the isolated control signal, wherein the resistors (R1, R2, R3, R4) coupled to the second output terminals are connected in parallel with one another, and wherein the voltage regulation unit comprises an additional resistor connected in series with the resistors (R1, R2, R3, R4) coupled to the second output terminals.