Components List

BASE HARDWARE(MIN)

• Raspberry Pi 2
• Wifi Adapter
• BLE 4.0 Adapter
• A-Star 32U4 Robot Controller LV with Raspberry Pi Bridge
• Motors with built in wheel encoders
• Pololu Wheel 70×8mm Pair - Blue
• Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack)
• Pololu Ball Caster with 1/2″ Plastic Ball
• Chassis (laser cut or 3D printed)
• Battery

Sensor (optional)

• Line Sensor
• Range Finders (Optical, Sonar, Laser)
• Inertial measurement unit(IMU)
• Vision (Raspberry PI or USB)

Line Sensor ideas

• QTR-3A Reflectance Sensor Array
• QTR-1A Reflectance Sensor (2-Pack)
• QTR-8A Reflectance Sensor Array

Optical Range Finders

• GP2Y0A21 Sharp distance sensor (26Hz)  4″ to 32″ (10 cm to 80 cm)
• GP2Y0A41SK0F Sharp analog distance sensor (60) 1.5″ to 12″ (4 cm to 30 cm)
• GP2Y0A60SZ distance sensor(60) 4″ to 60″ (10 cm to 150 cm) 

Sonar Range Finders

• Parallax PING))) Ultrasonic Sensor
• HC-SR04 Ultrasonic Distance Sensor Module

IMU (Accelerometer and Gyro)

• SparkFun Triple Axis Accelerometer and Gyro Breakout - MPU-6050
• SparkFun 9 Degrees of Freedom IMU Breakout - LSM9DS1
• SparkFun 6 Degrees of Freedom Breakout - LSM6DS3
• MPU-6050 3 Axis gyroscope + accelerometer module