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  1. R

    Fermentrack on a RPI 4 w/ elegoo Uno r3....how to hook up the LCD

    Is the rotary switch something I can buy on amazon? (if so can you drop me a link of what I need?) also is the switch just wired in to the two pins on back? @day_trippr thanks for the help, you and everyone else has been awesome
  2. R

    Fermentrack on a RPI 4 w/ elegoo Uno r3....how to hook up the LCD

    Okay I got the heat and cooling sorted. now I just have these two left, which I'm assuming that I do nothing with. last thing I have is the back light. @Bigdaddyale I figured out the jumping of the two pins on back. How ever after a few minutes the LCD goes out and never comes back on...
  3. R

    Fermentrack on a RPI 4 w/ elegoo Uno r3....how to hook up the LCD

    Okay, update. I used a different firmware (i2c) and after flashing that firmware wiring everything they way that I showed in that picture I got the LCD to work. However I have a few new problems that I am hoping you guys can help me with. First, there is no back light???? How do I make the...
  4. R

    Fermentrack on a RPI 4 w/ elegoo Uno r3....how to hook up the LCD

    Thanks for working on this guys, I really appreciate it
  5. R

    Fermentrack on a RPI 4 w/ elegoo Uno r3....how to hook up the LCD

    Thanks @day_trippr I’ll be standing by and hoping he can help out
  6. R

    Fermentrack on a RPI 4 w/ elegoo Uno r3....how to hook up the LCD

    Hey everyone. I've searched the forums and I have not found a good answer yet, so here goes. I have a RPI 4 and a elegoo Uno R3 with fermentrack set up. Everything is currently working fine. I want to attach an LCD to display the fermentrack info so I can see it at a glance. My set-up is...
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