Hello All,
I know enough about electronics to know that I don't know enough. I'm trying to build a motion detector device to trigger my irrigation system so that the deer who are eating my garden, will hopefully move on. I came across an article by Hap Pleasant in which he designed such a device. I've tried to contact him but without a current email address, I've not been successful. The problem is that his parts list has several parts that no longer show up in the Allied online catalog. I'm hoping that someone in this forum can help by giving me current numbers or at least indicating the characteristics of which I should be aware. e.g. for the resistors, what wattage should I be buying? I have attached a parts list, a schematic, and a photo of the device. The parts that I'm having a problem with are: 555 Timer IC, SPST Mini Switch, 25K potentiometer, 10, 100, 1K, and 15K ohm resistors. Can someone help?
Thanks, Bob
I know enough about electronics to know that I don't know enough. I'm trying to build a motion detector device to trigger my irrigation system so that the deer who are eating my garden, will hopefully move on. I came across an article by Hap Pleasant in which he designed such a device. I've tried to contact him but without a current email address, I've not been successful. The problem is that his parts list has several parts that no longer show up in the Allied online catalog. I'm hoping that someone in this forum can help by giving me current numbers or at least indicating the characteristics of which I should be aware. e.g. for the resistors, what wattage should I be buying? I have attached a parts list, a schematic, and a photo of the device. The parts that I'm having a problem with are: 555 Timer IC, SPST Mini Switch, 25K potentiometer, 10, 100, 1K, and 15K ohm resistors. Can someone help?
Thanks, Bob
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