The Heatweb RPi4MC Controller is the standard equipment board, based on a Raspberry Pi 4, with MC hat, providing:
- Arduino Micro
- External watchdog
- 3 x MikroBUS sockets for Thingstream modem, M-Bus Master & RS485
- 2 x Grundfos VFS sensor sockets
- 7 x NTC sensor inputs (4 shared with VFS)
- 2 x DS18B20 temperature sensor bus
- PWM Output and PWM Input (pump control)
Update includes:
- M-Bus data link and graphing