| 摘要 |
PROBLEM TO BE SOLVED: To efficiently perform the process of transmitting control signals and reduce the range occupied for a main program so as to allocate resources to other processes. SOLUTION: A signal line 35 connected to a main board 14 which generates command signals is branched and a plurality of subsidiary boards (liquid-crystal board 30 for controlling a liquid crystal 10, an illumination board 11 for controlling an LED 5, a sound board 27 for controlling a speaker 29, and a dispensing board 17 for controlling a dispensing device 19) for controlling the subjects of control according to the kinds of command signals received are connected to branch lines 41, 41... located forward of a branching part 36.
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