Wireless remote switch with 1 second ON, 3 seconds OFF feature

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Revision as of 11:14, 3 October 2016 by Definitionofis (talk | contribs) (new 315Mhz remote switch project)
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I bought a 315Mhz transmitter/receiver pair of postage stamp size boards from robotshop.com. Ebay has them too.

Here is the schematic:

Here is the board layout, which should be redone in surface mount parts some day. I used drawer junk parts and old VCR parts:

Here is the LTspice simulation of the 60Hz data received signal filter of ON and OFF button presses (2Hz to 12000Hz response curve):

Here is LTspice of the 1s and 3s hold for OFF using pulses from V1 which is imitating the 60Hz converted to 0.7vdc from previous LTspice. See 3 second delayed OFF and instant-ON effect: