* - (22) RB1 - Pushbutton
* - (23) RB2 - Rocker switch, right
* - (24) RB3 - CCP2 PWM for grn LED
* - (25) RB4 - Rocker switch, left
* - (22) RB1 - Pushbutton
* - (23) RB2 - Rocker switch, right
* - (24) RB3 - CCP2 PWM for grn LED
* - (25) RB4 - Rocker switch, left