The HRLV-MaxSonar-EZ3 is a narrow beam sensor with good side object rejection. The HRLV-MaxSonar-EZ3 has slightly wider beam width than the MB1043 HRLV-MaxSonar-EZ4 which makes it a good choice for when the HRLV-MaxSonar-EZ4 does not have enough sensitivity for the application.
The MaxBotix high resolution, low voltage MB1043 HRLV-MaxSonar-EZ4 has a narrow beam and is an excellent choice for detecting larger objects.
The MaxBotix high resolution, low voltage MB1023 HRLV-MaxSonar-EZ2 is a good compromise between sensitivity and side object rejection.
This is an Enclosed 4-wheel drive remote control robot kit. It uses four powerful wheelchair motors and the inside robot cavity has plenty of room for electronics.
This is a remote control Toro Recycler 22-inch lawnmower robot. This mower features 4WD, remote start and kill switches and optional bagger.