If you have any issues with the Hat Labs online shop, product delivery, returns, or similar, contact Hat Labs at

Product documentation is available at

For issues regarding using our products, contact us at or participate in the discussion at our discussion forum.

For any programming questions related to our developer products such as the SH-ESP32, we encourage to join the discussion forum. For any Signal K related questions, the Signal K discussion forum or the Signal K development Slack are great places to get assistance.