From: Tomas Mudrunka Date: Sat, 18 Jun 2016 00:52:16 +0000 (+0200) Subject: parasitic switch X-Git-Url: https://git.harvie.cz/?a=commitdiff_plain;h=097b0047d733b221f1dfb6073d1e2901640dbf73;p=mirrors%2FDesigns.git parasitic switch --- diff --git a/electronics/parasitic_switch.circuit b/electronics/parasitic_switch.circuit new file mode 100644 index 0000000..c2a2279 --- /dev/null +++ b/electronics/parasitic_switch.circuit @@ -0,0 +1,40 @@ +$ 13 5.0E-6 10.20027730826997 40 5.0 50 +v 144 560 144 224 0 1 40.0 320.0 0.0 0.0 0.5 +w 144 224 272 224 0 +s 272 400 272 480 0 0 false +w 272 560 144 560 0 +z 272 384 272 320 1 0.805904783 5.6 +z 272 256 272 320 1 0.805904783 5.6 +w 272 256 272 224 0 +w 272 384 272 400 0 +w 272 384 384 384 0 +w 272 256 384 256 0 +d 384 256 336 320 1 0.805904783 +d 384 384 336 320 1 0.805904783 +d 432 320 384 384 1 0.805904783 +d 432 320 384 256 1 0.805904783 +w 336 320 336 240 0 +r 544 240 544 320 0 400.0 +r 272 560 272 480 0 460.0 +w 272 480 384 480 0 +r 384 480 384 384 0 20000.0 +w 496 320 544 320 0 +w 496 240 544 240 0 +c 480 240 480 320 0 9.999999999999999E-5 5.291135041026337 +w 496 240 480 240 0 +w 480 240 336 240 0 +w 432 320 480 320 0 +w 480 320 496 320 0 +x 587 286 771 292 0 24 powered circuit +x 432 441 619 447 0 24 leakage resistor +x 326 529 561 535 0 24 controlled light bulb +x 111 77 842 83 0 24 This circuit allows to parasiticaly power low power electronics +x 112 111 847 117 0 24 (like arduino) inside light switch box (where is no neutral line) +x 113 143 849 149 0 24 by leaking little bit of current through bulb when switched off. +x 125 620 895 626 0 24 "switch" can be controlled by "powered circuit" (TRIAC, SSR, ...). +x 179 450 255 456 0 24 switch +x 126 651 757 657 0 24 "leakage resistor", capacitor across "powered circuit" +x 126 684 711 690 0 24 and "transil" should be chosen to match the load. +x 115 174 863 180 0 24 Please note that "powered circuit" is directly coupled to mains! +x 177 326 250 332 0 24 transil +o 15 64 0 35 10.0 0.025 0 -1 diff --git a/electronics/parasitic_switch.png b/electronics/parasitic_switch.png new file mode 100644 index 0000000..2635e9e Binary files /dev/null and b/electronics/parasitic_switch.png differ