Cart Remove item Thumbnail image Product Price Quantity Subtotal × Heartbeat Sensor $8 Heartbeat Sensor quantity $8 × Arduino Uno Microcontroller $40 Arduino Uno Microcontroller quantity $40 × Stepper Motor & Drive $7 Stepper Motor & Drive quantity $7 × Breadboard Power Supply Module 3.3V/5V $7 Breadboard Power Supply Module 3.3V/5V quantity $7 × Ultrasonic Range Sensor $4 Ultrasonic Range Sensor quantity $4 Coupon: Apply coupon Update cart Cart totals Subtotal $66 Tax $6 Total $72 Proceed to checkout