3144E Hall Switch Sensor Module Magnetic Field Counting Motor Speed Measurement Adjustable Sensitivity

$2.50

Hall Effect Magnetic Sensor Module KY-003 Electronic Compass Three-Axis Magnetic Field

$3.90

24V Light-Controlled Switch Board with Wired Photoresistor Sensor, Light/Dark Sensing Relay Control Module

$36.00

Photoresistor Sensor Relay Module, Light-Controlled Adjustable Delay Switch, Dark Activation 5V/12V/24V

$39.70

HW-300 High-Sensitivity Hall Brushless Motor Sensor with Printed Markings - Magnetic Field Detection IC

$2.00

Hall Effect Sensor SS39ET Marked S39E Linear Hall Sensor for Magnetic Field Detection

$4.03

Best-Selling Soil NPK Temperature Humidity Conductivity pH All-in-One Sensor for Agricultural Nutrient Moisture and Acidity Detection

$495.00

Honeywell SS39ET SS49E SOT-23 TO-92S Linear Hall Effect Sensor Magnetic Field

$1.96

24V Light Control Switch Board with Wired Photoresistor Sensor Light/Dark Induction Relay Control Module

$38.00

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

$15.71

Best-Selling All-in-One Soil Sensor for NPK, Temperature, Humidity, Conductivity, and pH - Agricultural Nutrient, Moisture, and Acidity Tester

$511.00

Raspberry Pi CM5 Dedicated Aluminum Alloy Heatsink with Fan, Integrated 4-Wire Interface, PWM Adjustable Speed, 5V 3007

$76.30