- 50% Outdoor Hard-Wired Post Eye Light Control With Photocell Light Sensor Dusk To Dawn Light Sensor For Outdoor Light US $1.92 Order Now
- 7% 10pcs/LOT Eneral Integration Universal Infrared Receiving Head/Infrared Sensor HX1838 / VS1838 VS1838B US $0.89 Order Now
- 82% High Quality LJC18A3-H-Z/BX 1-10mm Capacitance Proximity Sensor Switch NPN NO DC 6-36V 300mA US $1.08US $6.26 Order Now
- 40% 10 Pcs N/O Reed Switch Vibration-resistance Normally Open Magnetic Induction Switch 2*14mm DIY Magnetic Reed Switchs For Arduino US $1.71US $2.89 Order Now
- 37% Microcomputer Digital Display Temperature Control Switch 12V-220V Thermostat NTC Sensor Temperature Controller W3001 Thermostat US $1.57 Order Now
- 12% 10pcs AH3503 TO-92 3503 TO-92UA UGN3503UA TO92 UGN3503 Casing Linear Hall Effect Sensor Hall Sensor Motor US $0.88 Order Now
- 53% Original HAMLIN For Reed Switch Normally Open N/O 2 * 14mm 7mm 10mm 13mm 19mm Magnetic Conversion Sensor Induction Switch US $0.19US $0.41 Order Now
- 48% 1 Meter Line Large Sensor Water Level Alarm Sensor Full Water Alarm Kitchen Flooding Alarm Solar Water Leakage Alarm Rain Alarm US $1.53 Order Now
- 31% PIR Motion Sensor Switch DC 12V 24V Mini Module 3A Infrared Induction Body Sensor Detector Controller Switch For LED Light US $2.06US $2.99 Order Now
- 38% ZPH02 PM2.5 Laser Dust Sensor Module PWM/UART Digital Detecting Pollution Air Pollution Dust For Household Purifiers VOC US $5.40 Order Now
- 69% Stainless Steel Float Switch Tank Liquid Water Level Sensor 110V 220V 45mm 10W New US $1.08US $3.50 Order Now
- 36% PIR Human Motion Sensor AC 220V Automatic Infrared PIR Infrared Detector 180 Degree Rotation Outdoor Timer Switch Motion Sensor US $8.72 Order Now
- 55% DC 24V Motion Sensor PIR Movement Detector 120 Degree Automatic Infrared Wall Mount Timer Outdoor LED Motion Sensor Light Switch US $2.08US $4.63 Order Now
- 21% 100V 220V Liquid Water Level Sensor Horizontal Float Switch PCFS7 PP Right Angle Mount Horizontal For Aquariums Fish Tank Pool US $0.88US $1.12 Order Now
- 9% MAX6675 Temperature Sensor K-type Thermocouple Temperature 0-1024 Degrees Module For Arduino US $2.21 Order Now
- 9% Outdoor Hard-Wired Post Eye Light Control With Photocell Light Sensor Photocell Sensor Dusk To Dawn Light Sensor For Light US $2.02 Order Now
- 58% Digital Temperature Sensor / Humidity Sensor DHT11 DHT22 AM2302 AM2301 AM2320 MW33 Sensor And Module For Arduino Electronic DIY US $1.08US $2.59 Order Now
- 12% TZT RC-36 Wired Door Magnetic Switch Alarm Sensor Magnet Alarm Detector For Iron Gate Home Security Alarm System NC For Arduino US $0.94 Order Now
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality And Temperature And Humidity Sensor Replace CCS811 For Arduino US $5.89 Order Now
Soil Moisture Sensor And Soil Detector Module Soil Moisture Test Soil Humidity Test Corrosion Resistance Probe For Arduino US $2.65 Order Now
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke Methane Liquefied Gas Sensor Module For Arduino Starter DIY Kit US $2.83 Order Now
GY-2561 TSL2561 Luminosity Sensor Breakout Infrared Light Sensor Module Integrating Sensor AL US $2.99 Order Now
- 22% 220V AC 50Hz Auto Infrared Human Sensor Switch PIR Microwave Radar Body Motion Sensor Module Adjustable For Time Distance Range US $1.76 Order Now
- 52% 1/10/20PCS Original Reed Switch MKA-50202 Normally Open NO 5*50MM 5A 250W 250V Magnetic Contact Switch Induction Sensor MKA50202 US $14.74US $30.71 Order Now
- 85% WCS1600 WCS1700 WCS1800 3-5V Hall Current Sensor Adjustable DC 100A 70A 35A Short Over-Current Detector Protection Module US $1.08US $7.39 Order Now
- 32% M3076 M3086 Current Detection Switch Induction Relay Switch Alarm Transformer Control Current Sensing Switch Detection Module US $5.98 Order Now
- 50% DC 12V 24V 6A Motion Sensor Light Switch Automatic Adjust Infrared PIR Motion Sensor Detector Switch For LED Strip Light Lamp US $1.68US $3.42 Order Now
Short Distance Scan Sensor Sweep Hand Sensor Switch Module 36W 3A Constant Voltage For Auto Smart Home Compatible XK-GK-4010A US $1.01US $1.01 Order Now
- 36% 13.56mhz IC UID RFID Keychain Repeated Erase Elevator Induction Smart Buckle Community Gate Security Access Card Nfc Tags US $0.12 Order Now
- 22% XKC-KD200 XKC-001A-T Active Infrared Sensor Intelligent Sensor Switch DC 5V-24V Photoelectric Human Distance Measurement Sensor US $9.03 Order Now
10pcs N/O Reed Switch Magnetic Switch 2 * 14mm Normally Open Magnetic Induction Switch US $0.77 Order Now
- 15% TZT NJK-5002C Hall Effect Sensor Proximity Switch NPN 3-Wires Normally Open + Magne US $1.85 Order Now
- 32% Short Distance Scan Sensor Capacitive PIR Motion Sensor Switch Module Touch Sensor Switch 3A Constant Voltage For Smart Home US $1.59US $2.37 Order Now
- 27% AHT10 Digital Temperature And Humidity Sensor Measurement Module High Precision IIC I2C 1.8-3.6V Replace DHT11 SHT20 AM2302 US $3.66 Order Now
- 7% Reed Sensor Module Magnetron Module Reed Switch Magnetic Switch For Arduino Diy Kit US $1.20US $1.30 Order Now
- 14% DHT22 AM2302 DHT11/DHT12 AM2320 Digital Temperature Humidity Sensor Module Board For Arduino Ultra-low Power High Precision 4pin US $0.86US $1.00 Order Now
- 45% PS-3150 Normally Open Proximity Switch Magnetic Sensor Reed Switch For Door Window Contacts 30cm Wire US $1.21 Order Now
E3F-DS30C4 Proximity Switch Photoelectric Sensor Switch NPN PNP DC5-36V 30cm Detection Range Adjustable E3F-DS30P1/P2/C2 US $5.15US $5.15 Order Now
- 45% Light Sensor Switch Automatic Auto On Off Photocell Street Lamp Switches DC 3.7-24V 5A Photoswitch Photosensitive Sensor US $1.89 Order Now
MQ-2 MQ-3 MQ-4 MQ-5 MQ-6 MQ-7 MQ-8 MQ-9 MQ-135 Detection Smoke Methane Liquefied Gas Sensor Module For Arduino Starter DIY Kit US $0.97 Order Now
- 25% DC5-20V Hall Magnet North/South Pole Detection Module Magnetic Induction Magnetic Pole Resolver Module XH2.54-2P Plug-in Cable US $1.56 Order Now
- 12% TZT CJMCU-811 CCS811 Carbon Monoxide CO VOCs Air Quality Numerical Gas Sensor Module For Arduino US $8.03 Order Now
- 5% DHT11 Temperature And Humidity Sensor Module 3.35V Digital Signal Output For Arduino ESP32 PH2.0-3P US $1.44 Order Now
- 46% Micro Switch Infrared Pyroelectric Infrared PIR Motion Human Sensor Automatic Detection Module AM312 HC-SR501 HC-SR505 US $3.00 Order Now
VEML7700 Ambient Light Sensor Module 16 Bit I2C Interface For High-precision Development Tool Of Arduino, Low-power Digital US $3.65US $3.65 Order Now
- 22% GP3Y0D012 IR Infrared Proximity Switch Sensor Module 4-150cm Distance Speed Tester Measuring Tools US $4.02 Order Now
- 12% TZT GP2Y0A02YK0F Infrared IR Sensor Infrared Proximity Sensor Obstacle Avoidance Detect 20-150cm Distance Measuring With Cable US $4.60 Order Now
- 52% LED PIR Motion Sensor Light Switch PIR No Adjustable Delay Human Body Infrared Detector IR Infrared Motion Sensor Light Switch US $1.08US $2.26 Order Now
- 18% 5V 24V XKC Y25 Intelligent Non-contact Water Liquid Level Sensor Switch Contactless Detector Outer Type NPN PNP RS485 Interface US $4.66 Order Now
ALIF Taiwan DFGH DFGJ DFGG DFGE DFGM Cylinder Element Sensor Proximity Sensor Magnetic Switch DFSH DFGU DMSH DMSG DMSE U-020 US $3.84 Order Now
- 11% TZT Sensor Pressione MD-PS002 150KPaA Vacuum Sensor Pressure Sensor For Arduino US $0.99 Order Now
- 59% AC110-240V DC12-24V Automatic Sensor Light Switch LED PIR Infrared Motion Sensor Detection Night Light Switches Indoor Outdoor US $2.13 Order Now
- 21% Sensor Light Switch 220V Detector Sound And Light Sensor Intelligent Auto On Off Light Smart Switch For Corridor Bath US $0.80 Order Now
- 21% AC220-240V 5.8GHz Microwave Radar Sensor Switch Multi-Adjustment Body Motion Detector High Sensitivity LED Light Sensor Switch US $3.98 Order Now
- 11% TZT 10pcs/lot BF350-3AA BF350 Precision Resistive Strain Gauge / Strain Gauge / For The Pressure Sensor / Load Cell For Arduino US $3.84 Order Now
- 21% 12V Motion Sensor Switch Infrared PIR 360 Degree Detection Recessed Ceiling AC 110V 220V Detector DC12V Lamp Light Sensor Switch US $8.48 Order Now
- 39% 10PCS/LOT Best Quality DS18B20 18B20 DS18B20+ TO-92 Temperature Sensor Digital Sensor TO-92-3 Diy Electronic US $3.46 Order Now