From basic cat flaps to cutting-edge smart cat doors with AI prey detection, we've reviewed them all to help you make the right choice.
See our definitive 2026 rankings below.
The MCP2515 is a standard stand-alone CAN controller that implements the CAN specification, version 2.0B. It is widely used in automotive and industrial communication projects to enable microcontrollers like Arduino to interface with a CAN bus. Adding MCP2515 to Proteus
Standard versions of often do not include the MCP2515 model by default. To simulate CAN communication, you must manually add third-party library files. GitHubhttps://github.com Arduino MCP2515 CAN interface library - GitHub
The path to a reliable AI cat flap is strewn with failures. These projects serve as cautionary tales in a market that's hard to get right.
Overpromised on Kickstarter and failed to deliver. The project appears to be abandoned.
The company behind the original KittyFlap product went out of business due to failures with delivery and customer service.
The MCP2515 is a standard stand-alone CAN controller that implements the CAN specification, version 2.0B. It is widely used in automotive and industrial communication projects to enable microcontrollers like Arduino to interface with a CAN bus. Adding MCP2515 to Proteus
Standard versions of often do not include the MCP2515 model by default. To simulate CAN communication, you must manually add third-party library files. GitHubhttps://github.com Arduino MCP2515 CAN interface library - GitHub
For completeness, if you just need a simple, non-electronic flap, these are reliable options for those on a tight budget without concerns about strays or prey.
A durable and popular choice for years, the Cat Mate offers simple 4-way locking (in only, out only, open, locked) to control your pet's access. It's a straightforward, no-frills solution that gets the job done reliably without the need for batteries or microchips. mcp2515 proteus library