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   On 10/04/2024 11:50, Mike Scott wrote:   
   > Hi all. Two separate projects which will need a relay of some sort to   
   > run from a Pi or similar.   
   >   
   > I'm really looking for something plug-and-go rather than build-your-own   
   > (especially item 2 below)   
   >   
   > First is a dpdt relay to switch around 12-20 V at a couple of amps. spdt   
   > are easy to come by; the only dpdt ones I've found are on aliexpress,   
   > but their longevity is possibly open to question :-{   
   >   
   a bank of 4 SPST relays will do the job if you wire them thoughtfully.   
   e.g.   
   https://tinyurl.com/4vw34usb   
      
   > Second is something to switch mains safely - a full 13A to run a 3kW   
   > heater. I've drawn a blank: best I can think of is to butcher one of   
   > those wireless mains switch modules, which would at least provide a good   
   > isolation gap :-)   
   >   
   I use one of these to control my 3kW immersion heater to soak up excess   
   solar power.   
   https://tinyurl.com/mv4az28r   
      
   They're reasonably easy to reprogram to run from your own wifi.   
   e.g. https://www.elektroda.com/rtvforum/topic3912748-30.html   
      
      
   > TIA for any ideas.   
   >   
      
   --   
   Nev   
   It causes me a great deal of regret and remorse   
   that so many people are unable to understand what I write.   
      
   --- SoupGate-Win32 v1.05   
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