diff --git a/hardware/PiFace/37-rpi-piface.html b/hardware/PiFace/37-rpi-piface.html index bf16002a..f2b77a35 100644 --- a/hardware/PiFace/37-rpi-piface.html +++ b/hardware/PiFace/37-rpi-piface.html @@ -63,6 +63,8 @@

The msg.topic is set to piface/{the pin number}

Requires the WiringPi gpio command in order to work.

Note: This node currently polls the pin every 250mS. This is not ideal as it loads the cpu.

+

Note: Some versions of the PiFace relabelled the switch inputs to be 0 - 7 instead of 1 - 8. + We cannot automatically detect this so the user will have to apply some common sense.