Revive your broken Litter Robot 1/2/3 with an ESP32. Open source firmware with Web UI, MQTT, Home Assistant auto-discovery and fully configurable hardware.
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Updated
May 25, 2026 - C++
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openlitter
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Custom integration and Lovelace card for OpenLitter, the open source ESP32 firmware that replaces the original board
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Updated
May 25, 2026 - Python
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