Authentic Roomba J7/J7+/J8 Motherboard PCB. These are 100% Authentic and made by irobot.
Roomba J7 J7+ COMBO mopping Motherboard PCB Circuit Board irobot rumba J series
Roomba 692 Teardown Motherboard Replace
iRobot Roomba j7+ Review
I can confirm that a new motherboard unlocks select programs J7 : r/roomba
The software update failed to detect dog poop:( : r/roomba
iRobot Roomba 980 Motherboard Replacement - iFixit Repair Guide
ROOMBA J7 J7+ J8 Motherboard PCB Circuit Board irobot rumba J series unregister $169.00 - PicClick
PCB Circuit Board Motherboard for Irobot Roomba 550 560 650 610 620 630 Replacement review
iRobot Roomba Repair - Vac Expert
PCB Motherboard For iRobot Roomba 500 600 series Vacuum Cleaner Replacement Circuit Board Mainboard With Timing Function - AliExpress
caSino187 Authentic Motherboard PCB for Roomba 670 671 675 676 677 690 692 694 600 Series Rumba with WiFi : Home & Kitchen