The HRUSB-MaxSonar-EZ1 is a great choice for use where sensitivity is needed along with side object rejection. The HRUSB-MaxSonar-EZ1 is a good, low-cost starting place for a customer not sure of which HRUSB-MaxSonar-EZ sensor to use.
The MaxBotix high resolution MB1403 HRUSB-MaxSonar-EZ0 has a wide and sensitive beam, making it an excellent choice for use where high sensitivity or people detection is desired.
The MaxBotix high resolution MB1433 HRUSB-MaxSonar-EZ3 is a narrow beam sensor with good side object rejection.
This is our Prebuilt Omni wheel Robot platform with 32mm gear motors. It includes Nexus Wheels.
These are 4" in diameter omni-wheels with a shaft, collars and a bearing.