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  1. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    I have several of the 2 relay units that basically match the 8 relay board. They seem to be quite robust.... Will be using the 8 count boards in the future....
  2. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    The disadvantage to the custom board would be ease of repairs or upgrades. I too would rather a nice, clean solution but I'm not going to make it difficult on myself. You are correct that its cheaper either way and you have infinitely more control. The intelliflo protocol is already decoded and...
  3. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    I'd like to have a two speed pump but when my motor crapped out on my 4 months ago they didn't have one in stock and I didn't really have the extra $140. Oh well, maybe next time the situation will be different...
  4. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    Well, too windy today to sweat pipe. Kept blowing the torch out... :-( Have the rest of the array in place, just have to get the pipe work done. Have 30+ degree differential in my one panel today. Equates to about a 1 degree rise in pool temp per hour. Too bad the clouds rolled in as early as...
  5. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    Thanks for posting the code, I'll look through it and study the webduino code and see if I can make sense of it. A web designer I am not. The gauges I posted a link to earlier too me a while to figure out. Wasn't so much getting the gauge to display as that I took directly from another site, it...
  6. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    Tom, $550 won't touch the "power centers" required by most of the pool automation systems, much less the "brains" of the system. Besides, the fact that you can troubleshoot and repair it yourself is worth it's weight in stablizer (the stuff is expensive). The ORP and pH probes will...
  7. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    Mike, I'm not sure what Tom has tied up in his but I'm under $200 on everything I've bought so far. The Arduino boards are cheap enough to have a spare as are the relays I'm using so far. I got my pump on Ebay for about $50 if you include the shipping. Adding the pH monitoring is going to...
  8. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    After going back and looking at your web interface, I like it.... :-) Here's a picture of my controller as it is right now. Just mounted it in the box and haven't done the permanent wiring yet. Right now the relays are actuating automotive relays mounted inside the timer housing but they...
  9. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    The hardware side is similar to what I have so far. I am using a MEGA as well and a small (at the moment) glazed solar array to heat the pool. My pump logic is a bit more involved as I'm running two pumps (a pool pump and a small circulator pump). Pool water does not go through the heating...
  10. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    I can understand that. I've been working on my solar application since January.... I'd love to see the electronics as it might give me ideas for additions to my own. I've got a MEGA 2560 running the setup right now and it's pretty stable but I'm always adding to it. My code isn't pretty...
  11. M

    DIY with Liquid Chlorine, ORP Probe, Arduino

    Did this topic die completely? I'm working on a project of my own that follows the same basic lines and would love to see the code if it was ever published... Mike Yeager