Heyu

wget http://www.heyu.org/download/heyu-2.10-rc1.tar.gz

tar xvfz heyu-2.10-rc1.tar.gz 
cd heyu-2.10-rc1
./Configure 
make
make install

 Where would you like the sample Heyu configuration file installed?
   1. In directory /home/manu/.heyu/
   2. In subdirectory .heyu/ under a different user home directory
   3. In directory /etc/heyu  (for system-wide access)
   4. No thanks, I'll take care of it myself
 Choice [1, 2, 3, or 4] ? 3
 
 Specify /dev/ttyS0, /dev/ttyS1, etc.\\ 
 To which port is the CM11 attached?\\ 
 /dev/ttyS0 

heyu info

heyu on A14

heyu off A14