We also evaluate the accuracy of FTSP timesynchronization protocol between ArmBot and stationary sensor nodes. We ran TestFtsp application on ArmBot and four Iris motes located in the same radio range. Based on approximately 2000 measurements, the average absolute error in the Iris network was 0.9ms while the error between Arm-Bot and Iris nodes was 2.9ms. We conjecture that the larger ArmBot error was due to longer interrupt handling times as the robot performed more complex tasks. This demonstrates that ArmBot is capable of running sensor network services with only slight degradation in performance.