DC Servo Motor Driver
1 PCS Geckodrive Servo Motor Driver G320X
purchased with any servo motor 80VDC, 20A :
$111
Specification
1 PCS  Dugong DG2S DC Servo Drive

160VDC/ 35A $180  
Specification

PRG01 USB programming stick, Used to connect
DG2S servo drives to the PC USB port for
configuration and diagnosis of the servo drives, Can be
shared. $23.61     
PID-Tuning