Roomba motherboard change touch to tactile dome switch

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Roomba 770
Roomba 780

The iRobot Roomba 770 and 780 models has different interface controls, one touch and the other tactile dome switches. I replaced the motherboard after a short and got a touch input that was not compatible with the plastic interface. Therefore I had to convert the board by moving the components from the old board to the new and reconfigure it.

Remove touch brackets

Roomba convert board remove touch brackets.jpg

Move over tactile domes

Move the dome switches over to the new board.

Roomba convert board move dome switches.jpg

Reconfigure board

Remove the resistor R120 to make the controller accept the tactile switches instead.

Roomba convert board reconfigure.jpg