- Producer: HB-Roaster, China
- Machines: Standard (M2, M6, L2, L6) and Model S (M2S, M6S, L2S, L6S) HB Roaster variants
- Connection: USB
- Features: logging of environmental temperature (ET), bean temperature (BT), inlet temperature (IT) and drum temperature (DT) as well as ambient temperature
Watch out! The communication via USB requires to install the serial driver
- Standard (M2, M6, L2, L6): CP210x VCP from Silicon Labs
- Model S (M2S, M6S, L2S, L6S): CH34x