Atmospheric Pressure Sensor Weather Station Louver Box Temperature Humidity Transmitter 485 Environmental Ecological Monitoring Modbus

$368.00

Photoresistor Relay Sensor Control Module Light-Controlled Switch No-Light Sensing Module 24V

$39.32

UV Ultraviolet Detection Sensor Module for Arduino to Measure Solar Light Intensity, Ideal for Learning and Development Kits

$13.00

3-Pin 5516 Photoresistor Diode Sensor Module, Electronic Photoelectric Detection Controller, Induction Switch Board

$12.70

Fast Delivery Ultrasonic Liquid Level Sensor, Container Detection, High-Precision Water Level Monitoring, Waterproof Obstacle Avoidance Module, Non-Contact

$97.00

Hall Sensor Module Digital Display Magnetic Field Intensity Detection Module Bare Board

$94.00

Liquid Level Sensor, Sensor Module, Liquid Surface Detection Sensor, Water Level Monitoring, Float-Type Liquid Level Switch

$87.00

H2010 ST150 ST130A GK105 Direct Through-Beam Photoelectric Sensor Slot-Type Optocoupler Photoelectric Switch

$2.29

Hall Effect Sensor Module: Magnetic Field Strength Detection, Polarity Identification (N/S), and Magnet Switch

$19.18

Capacitive Non-Contact Continuous Liquid Level Detection Sensor External Mount Real-Time Water and Oil Level Monitoring Module High Precision

$45.00

Keyes Hall Magnetic Sensor Magnet Field Module A3144 Compatible with Arduino, Raspberry Pi, and 51 Development Boards

$8.62

Liquid Level Sensor, Liquid Surface Detection Sensor, Water Level Monitoring Sensor Module

$94.74