The Zumo reflectance sensor array ships with all of the components you need to connect it to a Zumo shield:
High accuracy and reliability: typical total output error of 2% at room temperature with factory calibration
Sensitivity range (configurable): ±245°/s
and there is a caret that indicates where we suggest you make the cut
a reading speed of ~ 4 Hz
MaxBotix USB high performance Ultrasonic Precision Rangefinder - MB1433 HRUSB-MaxSonar-EZ3 hub-labor The Zumo reflectance sensor arrayThe HRUSB MaxSonar EZ3's special features include millimeter level resolution, a narrow beam, excellent lateral object rejection, short range detection, range information from 300 mm to 5000 mm, a reading speed of ~ 4 Hz, and a USB serial output. The MB1433 has a slightly wider beamwidth than the MB1443, making it a good choice for applications where the MB1443 lacks sufficient sensitivity. The MB1433, part of the HRUSB MaxSonar EZ sensor series, is a