MBus

1 Hardware

1.1 Master

We can use the 2N3906 PNP instead of BD136

https://github.com/rscada/libmbus/tree/master/hardware

2 Tools

• https://github.com/rscada/libmbus

$ mbus-serial-scan /dev/ttyUSB0
Found a M-Bus device at address 68

$ mbus-serial-request-data -b 2400 /dev/ttyUSB0 68