CONTROL SUBSTRATE STRUCTURE OF WARM WATER WASHING TOILET SEAT

摘要

PROBLEM TO BE SOLVED: To minimize an exclusively possessed area for a control substrate. SOLUTION: The control substrate structure of a warm water washing toilet seat is equipped with a main control substrate 12 forming a control circuit for a basic function and an auxiliary control substrate 14 forming the control circuit for an additional function, and the auxiliary control substrate 14 is placed and connected to the main control substrate 12 in a piled up state.