/members-area/personalblogs/b/blog/posts/rpi-z-wave-project-adding-in-the-pi-faceHad a little time on my hands today. Ended up putting the Pi-Face on the second RPi and connecting doorbell buttons to it. Wrote a C program and two Perl scripts to toggle the office lights when one of the doorbell buttons is pushed.&nbsp...en-USTelligent Community 12