Activation box style 28 PCB upgrade.
Directly swaps in place of the Box 28 PCB and upgrades the two accent LEDs to Pixels, includes two functioning Switches, and a 1.3mm recharge port positioned under the card.
Com = Switch common ground
SW2 = Switch 2
SW1 = Switch 1
SM- = Out to sound module negative
BT- = In from battery Negative
SM/BT + = Positive in from battery and out to sound module
+ = Battery Positive for Pixel power
DI1 = Data in to pixel 1
DO1 = Data out from pixel 1
DI2 = Data in to pixel 2
DO2 = Data out from pixel 2
- = Pixel negative from sound module