Motor Control PCB - abdullin/Dexter GitHub Wiki
Under the microzed board which hosts the Xilinx FPGA and ARM processor, Dexter has a Motor / control board with stepper drivers to run the main joints, 3.3V, 5V and 33V motor power regulators, and IO connections. This is a critical part of Dexter's Hardware
J19 is a debug port.
J20 and 21 are the connectors for the Servos.