The H-series control board has two spare outputs at the back, marked
- AUX1
- AUX2
Aux 1
12V DC socket, can power up to 2A. Suitable for an extra heater pad, fans, or any other small 12V device with a suitable connector.
Aux 2
12V via 2.5mm JST connector. Can power up to 1A. Suitable for an extra fan, or any other small 12V device with a suitable connector.