WYPH Ultrasonic Module HC-SR04 Distance Measuring Ranging Sensor for Arduino UNO for Mega R3 Duemilanove Nano Robot Pack of 10pcs
Sunicon 1 Pcs Water Pump Flow Switch, HT 30 AC 0 to 110V 0.2A G3/4in to 3/4in Thread Water Pump Flow Sensor Switch
WITMOTION [Arduino Accelerometer Sensor+Inclinometer] WT901 High-Accuracy 3-axis Acceleration+Gyroscope+Tilt Angle +Magnetometer with Kalman Filtering, 9-axis MPU9250 USB 200Hz IMU Raspberry Pi AHRS Module
Ximimark 2Pcs GY-521 MPU-6050 Module 3 Axis Accelerometer 6 DOF Gyroscope Sensor Module 16 Bit AD Converter Data Output IIC 3-5v For Arduino
Andy's Orchids 5pcs Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for Arduino 3.3-5V
Heschen Square Inductive Proximity Sensor Switch, Non-Shield Type, PL-05N2, Detector Distance 5mm, 10-30VDC 200mA, NPN Normally Closed(NC), 3 Wire