Elegoo HC-SR04 Ultrasonic Module Distance Sensor for Arduino UNO MEGA2560 Nano Robot XBee ZigBee

$9.78 (as of 05/01/2019 01:40 PST details )
More than 84% of the Elegoo EL-SM-001 reviews are positive.


Geeetech Infrared proximity switch module compatible with Arduino/Iduino

$9.99 (as of 05/01/2019 01:43 PST details )
More than 55% of the Geeetech BCBI5770 reviews are positive.


URBEST® 8mm Detecting Distance Approach Sensor Inductive Proximity Switch NPN NO DC 6-36V Cylinder Type

$7.99 (as of 11/07/2023 20:35 PDT details )
More than 71% of the URBEST UR223 reviews are positive.


Uxcell NPN NO Capacitance Proximity Sensor Switch

$11.99 (as of 07/04/2018 16:48 PDT details )
More than 67% of the uxcell a11031400ux0287 reviews are positive.


Maxbotix LV-MaxSonar-EZ1 Ultrasonic Range Finder

$25.00 (as of 11/07/2023 18:40 PDT details )
More than 89% of the Maxbotix MB1010 reviews are positive.


diymore DC 5V Waterproof Ultrasonic Distance Sensor Measuring Ranging Transducer Module for Arduino

$15.49 (as of 05/01/2019 01:41 PST details )
More than 75% of the diymore 8954511 reviews are positive.


Sensor Switch D-1 Discriminator NEW NUMBER BD-1

$79.99 (as of 07/04/2018 16:50 PDT details )
More than 86% of the Sensor Switch SEN D-1 reviews are positive.


Socatech ST-120 Wired Keypad and Proximity Card Reader Combo

$75.00 (as of 05/01/2019 01:45 PST details )
More than 100% of the Socatech Socatech ST-120 reviews are positive.