The shipping costs are based on weight, volume, delivery address and subtotal of the order.
Indication of shipping costs:
Standard mail*: €2.50
Parcel Basic NL: €5.95 (free from €100)
Parcel International: See link below
Pickup in Eindhoven: €0.00
*The system will automatically decide if standard mail is possible. If not, then only Parcel and Pickup are available.
See this page for extra shippings options and explanation about the shipping costs: Shipping
With this ultrasonic sensor you can easily measure a distance.
To use the sensor with arduino see this page: How to Use and HC-SR04 Ultrasonic Sensor With Arduino
There are holders/brackets available for this sensor.