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This is a DIY automatic cat litter box.

Keynotes:

  1. Battery powered. It is using an NRF52832, standby on 6x18650 batteries is about a Year. Real life usage with 4 cats allowed for 3 months between charges, ~400 cleaning cycles.
  2. Removable sand scoop part. The part that scoops the sand is one hand removable, easy cleaning/maintaining.
  3. Waterproof. It s based on a servo, the battery holds in place using a magnet, can be taken out and everything else, including the base, can be placed under running water.
  4. Silent mechanism. It uses a servo and a stadard 10mm bit and screw, cut at the side for top loading, no squeaking sounds, nothing can get stuck in there.
  5. Failproof safety. Besides the logic, is also uses the powerbank module to cut off power in a case of overload, the servo is then released, there is no way to harm a cat.

It runs on espruino. https://forum.espruino.com/conversations/392685/

The ball is a flower pot from italian maker Bama: https://www.bamagroup.com/en/sfera-pot-with-saucer-sfera.html

Everything else is cardboard, soaked in thin construction grade resin, filling and sanding. A how-to with photos can be found on this Greek forum thread: https://www.phorum.com.gr/viewtopic.php?f=43&t=50568

The toilet can be updated from a phone/pc using this web Page (is served from this repository) https://enaon.github.io/sCat-a/scata.html

The toilet can be controled from a phone/pc using this web page (is served from this repository) https://enaon.github.io/sCat-a/index.html

Demo video:

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