Works with i6 i6+ i7 i7+ i8 i8+. Authentic Roomba i7/i7+ Motherboard PCB. These are 100% Authentic and made by irobot.
ORM iRobot Roomba 770 mainboard complete with secondary board and all covers. Tested working. Great shape from hardly used unit. $5 continental USA
iRobot 760 770 780 700 Series PCB Circuit Board Motherboard 4252070 4252071
BBPCCO Vacuum Cleaner Spare Parts, Original Motherboard, Compatible with IRobot Roomba I7/I7+/I7 Plus/I8 Robots
Main Board iRobot Roomba i7 Price - iNeedParts
Brand New Original IRobot Roomba E5 E6 Motherboard Sweeping Robot Circuit Board - AliExpress
Roomba i7+ Clean Base Teardown
PCB Motherboard For iRobot Roomba 500 600 series Vacuum Cleaner Replacement Circuit Board Mainboard With Timing Function - AliExpress
Shipped with USPS Ground Advantage.
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Original Motherboard For IRobot Roomba I7 I7+ I7 Plus I8 Robot Vaccum Cleaner Spare Parts - AliExpress
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Roomba i7 Teardown: Why is there a waving cat with a lint roller inside?