In this tutorial, the method of writing programs and attention are explained. As the programs related to explanation are used, please refer to source as possible.
Notes: For making terms clear up, the following definition is used.
.The instrument and its address that transforms data are called "Talker" and "Talker address" respectively.
.The instrument and its address are called "Listener" and " Listener address" respectively.
."Master" is synonymous with controller.