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   comp.sys.raspberry-pi      Raspberry Pi computers & related hardwar      26,127 messages   

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   Message 25,367 of 26,127   
   Joe to Mike Scott   
   Re: latching relays   
   10 Feb 25 12:33:19   
   
   From: none@nowhere.whereo   
      
   On Mon, 10 Feb 2025 09:12:32 +0000, Mike Scott  wrote:   
      
   >Hi all. I think a latching relay is the way to go for a pico-based job I   
   >have in mind. However the prevalent ones all seem to be controlled by a   
   >pulse on a single input wire which flips and flops the state.   
   >   
   >No doubt they reset to a known-state at power-up. But I see no   
   >indication of any way of resetting them to that known state without   
   >turning off the power - eg after reloading the pico control program.   
   >   
   >Has anyone used these and can offer advice please? Thanks.   
   I am using the HFD2/005-S-L2-D dual coil relays.  They work for my purpose....   
      
   See: https://source.hongfa.com//Api/DownloadPdf/323   
      
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