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<blockquote data-quote="Rhys.Goodwin" data-source="post: 104146" data-attributes="member: 27017">No support for serial device at the moment. I don't know of any specific devices. If I could get hold of a USB or serial device I'd be happy to code for it.&nbsp; The parallel port is easy because it's TTL. It's easy to switch pins on or off. But in saying that any relay device that is designed to work with the PC could easily be used and coded for since it would come with some code examples. Or at worst a wrapper could be writter for whatever software was included with the device.The device from jaycar would work but from the looks of it, the relays look a bit small?? They may not be suitalbe for switching mains power. It's says 10amp but how many volts?&nbsp; Yes plug-in supports up to 8 devices.Easiest way, bit more expensive tho is to use some solid state relays.<a href="http://www.jaycar.com.au/productView.asp?ID=SY4084&amp;CATID=&amp;keywords=solid+state+relay&amp;SPECIAL=&amp;form=KEYWORD&amp;ProdCodeOnly=&amp;Keyword1=&amp;Keyword2=&amp;pageNumber=&amp;priceMin=&amp;priceMax=&amp;SUBCATID=" target="_blank">http://www.jaycar.com.au/productView.asp?ID=SY4084&amp;CATID=&amp;keywords=solid+state+relay&amp;SPECIAL=&amp;form=KEYWORD&amp;ProdCodeOnly=&amp;Keyword1=&amp;Keyword2=&amp;pageNumber=&amp;priceMin=&amp;priceMax=&amp;SUBCATID=</a>I have 4 of these conected directly to my parallel port. Mind you it only switches active. switching neutral and active would be ideal but then I would require 2 realys for each port!! That gets really expensive. Mind you I picked up my realys for NZ$ 5 each, ages ago, wish I'd bought more now! If it would help I can provide a circuit daigram of how to connect the relays and some photos of my device. I will alos look for a diagram on how to use standard relays( like the jaycar link you provided). If people find this plugin useful I'm&nbsp; happy to expand it in any way people want <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="Rhys.Goodwin, post: 104146, member: 27017"] No support for serial device at the moment. I don't know of any specific devices. If I could get hold of a USB or serial device I'd be happy to code for it. The parallel port is easy because it's TTL. It's easy to switch pins on or off. But in saying that any relay device that is designed to work with the PC could easily be used and coded for since it would come with some code examples. Or at worst a wrapper could be writter for whatever software was included with the device. The device from jaycar would work but from the looks of it, the relays look a bit small?? They may not be suitalbe for switching mains power. It's says 10amp but how many volts? Yes plug-in supports up to 8 devices. Easiest way, bit more expensive tho is to use some solid state relays. [url]http://www.jaycar.com.au/productView.asp?ID=SY4084&CATID=&keywords=solid+state+relay&SPECIAL=&form=KEYWORD&ProdCodeOnly=&Keyword1=&Keyword2=&pageNumber=&priceMin=&priceMax=&SUBCATID=[/url] I have 4 of these conected directly to my parallel port. Mind you it only switches active. switching neutral and active would be ideal but then I would require 2 realys for each port!! That gets really expensive. Mind you I picked up my realys for NZ$ 5 each, ages ago, wish I'd bought more now! If it would help I can provide a circuit daigram of how to connect the relays and some photos of my device. I will alos look for a diagram on how to use standard relays( like the jaycar link you provided). If people find this plugin useful I'm happy to expand it in any way people want :-) [/QUOTE]

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