[3DMakerworld] Adafruit IR Break Beam Sensor - 3mm LEDs

[3DMakerWorld] Adafruit Reflective Ir Sensor With 470 And 10K Resistors

[3DMakerWorld] Adafruit Standalone Momentary Capacitive Touch Sensor Breakout

OSEPP Ultrasonic Sensor Module

**3 or 5 Units** HY-SRF05 Precision Ultrasonic Range Sensor Module for Arduino

HC-SR04 Ultrasonic Module Distance Measuring Sonar Sensor Arduino Raspberry Pi

[3DMakerWorld] SparkFun Soil Moisture Sensor (with Screw Terminals)

USA Ultrasonic Module Distance Measuring Transducer Sensor Perfect Waterproof