As such, you can control any sensor (including the temperature-sensing modules I mentioned earlier), appliance, or smart home gizmo hooked up to the ESP32’s pins from your Raspberry Pi HASS server.

Did you know the ESP32 can be a USB host? Well it can, and [Volos] uses host mode to build this fun little word processor. The venerable ESP32 has a well-known USB device mode. Anyone who has progr… ...

The build relies on the dual-core nature of the ESP32, with the first core handling CAN bus duties via the SN65HVD230 CAN bus transceiver chip. The second core is responsible for hosting the web page.