The position of the nano causes a problem in that the USB connector ends up occluding 2 of the servo pins (only 3 and 4 are viable). Suggest moving the wifi module in towards ICSP2 then shifting the servo battery and sonic connector up to the same area as the wifi module.
Servo pins would then come behind the wifi module as well or to the bottom left corner of the board.
The position of the nano causes a problem in that the USB connector ends up occluding 2 of the servo pins (only 3 and 4 are viable). Suggest moving the wifi module in towards ICSP2 then shifting the servo battery and sonic connector up to the same area as the wifi module.
Servo pins would then come behind the wifi module as well or to the bottom left corner of the board.