It's not clear from the readme if there's specific hardware requirements or not, but picked up the pan tilt hat and an ir camera for by older rpi 2b and get this, even after the modprobe command
>node rpos.js
Read IP address x.x.x.x from eth0
Manufacturer : Raspberry Pi
Model : 2 B
HardwareId :
SerialNumber : 00000000a835a832
FirmwareVersion : 2.1.0
Use modprobe to load the Pi Camera V4L2 driver
e.g. sudo modprobe bcm2835-v4l2
or the uv4l driver
It's not clear from the readme if there's specific hardware requirements or not, but picked up the pan tilt hat and an ir camera for by older rpi 2b and get this, even after the modprobe command