The HRUSB-MaxSonar-EZ3 is a narrow beam sensor with good side object rejection. The HRUSB-MaxSonar-EZ3 has slightly wider beam width than the HRUSB-MaxSonar-EZ4 which makes it a good choice for when the HRUSB-MaxSonar-EZ4 does not have enough sensitivity for the application.
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 MB1413 HRUSB-MaxSonar-EZ1 is a great choice for use where sensitivity is needed along with side object rejection.
This is a direct drive 4WD robot kit that uses Nexus mecanum wheels. The mecanum wheels allow it to vector in any direction.
1/4" Hex Size, 2" Length, 4-40 Thread Size