I Hacked My Cat's Litter Box
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I wrote a custom firmware for the Litter Robot 4. Let me tell you how, and more importantly, why.Find the firmware and install guide here:https://codeberg.or...
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The original was posted on /r/homeassistant by /u/jdigi78 on 2026-08-17 13:57:43+00:00.

In celebration of adding the biggest missing feature, I made a video about my experience creating an ESPHome component to support the Litter Robot 4’s smart features without the cloud. 100% local control without compromise!

You can find the code and firmware flashing guide here: https://codeberg.org/Joseph-DiGiovanni/esphome-litter-robot