40 may output a voltage on line 41 which may provide electrical power for circuit or system 10 with this approach current taken from triac 12 is sufficiently significant so that it may continue to operate in view of providing a very low current signal to input line 24 of the actuator microcontroller 11 and yet provide an efficient use of the taken current within the system 10 a simplified example circuit 43 operating a power supply filter at the output 41 of the converter 40 for providing the vcc 33 supply to the system 10 may include a schottky rectifier 42 having a cathode connected to line 41 and an anode connected to the ground 16 rectifier or diode 42 may be a 10bq060 part available from international rectifier a 1 000 microhenry inductor 44 may have one end connected to output or line 41 and another end connected to vcc line 33 a 1 000 microfarad capacitor 45 may have one end connected to line 33 and the other end connected to ground 16 also there may be a 15 k ohm resistor 46 connected between line 33 and ground 16 there may be other components such as capacitors connected between line 33 and ground 16 on line 37 at the input side of converter 40 may be a zener diode 47 having a cathode connected to line 37 and an anode connected to ground 16 diode 47 may be a p6smb56at3 part available from semiconductor components industries llc these components 47 and 38 converter 40 and filter 43 may constitute a power supply 50 power supply 50 may also be regarded as a conditioning circuit or referred to with another appropriate name also there may be a storage circuit.