This DFI sensor (Product code in RobotShop catalog: Rb-Ltr-72) has two circuit boards.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/blog/show/litter-robot-differences-between-dfi-sensors
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/blog/show/litter-robot-differences-between-dfi-sensors