Line followers to navigate field

Using Bluetooth, the field alerted the robot when a rod needed to be replaced, where the rod was located, and which locations were empty to place a new rod.

LCD screen for visual feedback from robot

Three wheel drive

Four-bar linkage and servo motor for arm actuation. Mechanism has two heights: one for placing rod horizontally and  one for picking rod from vertical stand.

Rotary potentiometers and PID loop for linkage control