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 MB1443 HRUSB-MaxSonar-EZ4 has a narrow beam and is an excellent choice when only larger objects need to be detected.
The MaxBotix high resolution MB1433 HRUSB-MaxSonar-EZ3 is a narrow beam sensor with good side object rejection.
R19 is a low cost entry to bench top robotics, fast, accurate and reliable and easy to program. It is of the cylindrical format with four axes ideally suited to working in a plane around the robot.
This board is a simple carrier of Allegro’s ±75A ACS709 Hall effect-based linear current sensor with overcurrent fault output, which offers a low-resistance (~1.1 mΩ) current path and electrical isolation up to 2.1 kV RMS.