Amazon.com: SCITOO Vehicle Speed Sensor 3pins Fits for Toyota Celica Echo 00-05, for Toyota Tacoma 98-09 11-13, for Toyota Yaris 07-10, for Toyota Sequoia 01-07, for Toyota Corolla 92-08 83181-12020 : Automotive
Gravity: Digital Sensor Cable for Arduino - 30cm (10 Pack) - DFRobot
Photoelectric Sensors | KEYENCE America
Sensor Switch CMR 10 Contractor Select Ceiling Mount Occupancy Sensor, 28 Foot Radius, White - Motion Detectors - Amazon.com
Pololu - Sharp GP2Y0A21YK0F Analog Distance Sensor 10-80cm