Electrical

Block Diagram

Schematic

Servos, Break-Beam Sensor

Stepper Motor

Arm Retracted Limit Switch

DC Motor w/Encoder

BOM

Microcontroller: Arduino Uno R3
Sensing: Sparkfun IR break beam sensor, 2x limit-switches, optical encoder
Motors: NEMA 17 stepper, DC motor with encoder, 2x hobby airplane servos
Motor Drivers: L298N dual H-bridge, TB6600 Microstep driver
Power: 12V motorcycle battery, 3A DC-DC buck converter

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