Cananka HAT

Cananka is Raspberry Pi HAT allowing for CAN bus communication.

Design of the board is explained through a few posts:

• Introduction
• Requirements
• Component selection
• Board layout
• Software
• EEPROM
• Problems

Features include:

• Up to 1 Mbit/s bus speed (125 kbit/s default)
• Fully isolated (1 kV)
• Does not require CAN bus power supply (onboard DC-to-DC converter)
• Supports powering Raspberry Pi from CAN bus (up to 24 V, 2 A)
• Automatic detection via HAT specification
• Works on Raspberry Pi B+ and above (including Pi Zero)