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 MB1433 HRUSB-MaxSonar-EZ3 is a narrow beam sensor with good side object rejection.
The MaxBotix high resolution MB1443 HRUSB-MaxSonar-EZ4 has a narrow beam and is an excellent choice when only larger objects need to be detected.
This is a prebuilt triangular vectoring robot platform (TP-090-003) powered by an Arduino Uno. The chassis can support up to 25 lbs of payload. It is prebuilt and ready to run!
This is a spool of 26 AWG stranded (7x34) hookup wire. Great for hooking up controls, sensors, instrumentation, etc. It is high quality tinned copper stranded wire with PVC jacket/insulation.