electronics/parasitic_switch.circuit

   1 $ 13 5.0E-6 10.20027730826997 40 5.0 50
   2 v 144 560 144 224 0 1 40.0 320.0 0.0 0.0 0.5
   3 w 144 224 272 224 0
   4 s 272 400 272 480 0 0 false
   5 w 272 560 144 560 0
   6 z 272 384 272 320 1 0.805904783 5.6
   7 z 272 256 272 320 1 0.805904783 5.6
   8 w 272 256 272 224 0
   9 w 272 384 272 400 0
  10 w 272 384 384 384 0
  11 w 272 256 384 256 0
  12 d 384 256 336 320 1 0.805904783
  13 d 384 384 336 320 1 0.805904783
  14 d 432 320 384 384 1 0.805904783
  15 d 432 320 384 256 1 0.805904783
  16 w 336 320 336 240 0
  17 r 544 240 544 320 0 400.0
  18 r 272 560 272 480 0 460.0
  19 w 272 480 384 480 0
  20 r 384 480 384 384 0 20000.0
  21 w 496 320 544 320 0
  22 w 496 240 544 240 0
  23 c 480 240 480 320 0 9.999999999999999E-5 5.291135041026337
  24 w 496 240 480 240 0
  25 w 480 240 336 240 0
  26 w 432 320 480 320 0
  27 w 480 320 496 320 0
  28 x 587 286 771 292 0 24 powered circuit
  29 x 432 441 619 447 0 24 leakage resistor
  30 x 326 529 561 535 0 24 controlled light bulb
  31 x 111 77 842 83 0 24 This circuit allows to parasiticaly power low power electronics
  32 x 112 111 847 117 0 24 (like arduino) inside light switch box (where is no neutral line)
  33 x 113 143 849 149 0 24 by leaking little bit of current through bulb when switched off.
  34 x 125 620 895 626 0 24 "switch" can be controlled by "powered circuit" (TRIAC, SSR, ...).
  35 x 179 450 255 456 0 24 switch
  36 x 126 651 757 657 0 24 "leakage resistor", capacitor across "powered circuit"
  37 x 126 684 711 690 0 24 and "transil" should be chosen to match the load.
  38 x 115 174 863 180 0 24 Please note that "powered circuit" is directly coupled to mains!
  39 x 177 326 250 332 0 24 transil
  40 o 15 64 0 35 10.0 0.025 0 -1