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Sensors

Price
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rating alitools
categories Clear
1635 products
10pcs TCRT5000 IR Sensor For Arduino Infrared Photoelectric Switch Detector IR Infrared Line Tracking Module Optical Diode Board
4.00 −   $
10 orders / 3 review
High, 95%
Ceilling DC 12V-24V 5.8GHz Microwave Radar Sensor Body Motion HF Detector Light Switch Dry contact output
8.68 −   $
10 orders / 1 review
Middle, 74%
High Performance Motion Sensor HW-MS03 2.4GHz to 5.8GHz Microwave Radar Human body induction PIR switch Module for Arduino Diy
1.61 −   $
10 orders / 2 review
High, 92%
TZT DC 12V PIR IR Pyroelectric Infrared Module Adjustable Relay Output Human Body Sensor For Arduino
2.74 −   $
10 orders / 1 review
High, 96%
Microwave Radar Sensor Module 5.8GHz DC 3.3V 5V 9V 12V 20W Voltage Output Switch Controller Human Body Induction Sensor
2.44 −   $
10 orders / 1 review
High, 88%
NEW GP2Y0E03 4-50CM Distance Sensor Module Infrared Ranging Sensor Module High Precision I2C Output for arduino
3.57 −   $
10 orders / 3 review
High, 95%
10PCS 25kHz ultrasonic sensor / open split ultrasonic transceiver ultrasonic probe NU25C16T/R-1
26.98 −   $
10 orders / 1 review
Low, 46%
AC Current Sensor 5V Relay Module High Precision Current ZMCT103C Transformer 5A Detection Board Sensor Module
0.42 − 1.78  $
10 orders / 2 review
High, 96%
200khz 500KHz 10mm waterproof transceiver ultrasonic sensor with high frequency accuracy
5.37 − 16.71  $
10 orders / 5 review
Middle, 86%
WCS1800 DC 5V Hall Current Detection Sensor Module 35A Short Circuit Overcurrent Detector Protection Switching Module
7.42 −   $
10 orders / 4 review
High, 96%
H44 New DHT21 AM2301 Capacitance Digital Temperature And Humidity Sensor
3.26 −   $
9 orders / 1 review
High, 95%
Stencil GK104-325-A2 GK104-400-A2 GK104-200-KD-A2 GK104-300-KD-A2 N13E-GT-W-A2 N13E-GTX-A2 N14E-GTX-A2 Direct heating 90*90
0.49 − 1.31  $
9 orders / 6 review
High, 90%
AHT20 I2C temperature and humidity sensor module high-precision humidity sensor probe DHT11 AHT10 upgraded version for arduino
1.31 −   $
9 orders / 4 review
High, 93%
Pyroelectric Infrared Sensor Human Body Detecting PIR Motion Sensor Module for Arduino MCU Board 120 degree
1.88 −   $
9 orders / 3 review
High, 95%
1MHZ Ultrasonic transducer_ultrasonic sensor 1Mhz 2Mhz 3Mhz 4Mhz
7.68 − 14.40  $
9 orders / × review
Middle, 77%
1pcs DS18B20 Stainless steel package 1 meter/3meters waterproof DS18b20 temperature probe temperature sensor
0.46 − 2.14  $
9 orders / 9 review
High, 95%
1pcs/lot D DS18B20 18B20 18S20 TO-92 IC CHIP Thermometer Temperature Sensor
0.63 −   $
9 orders / 6 review
Middle, 83%
10pairs MC-38 MC38 Wired Door Window Sensor Magnetic Switch Home Alarm System normally closed NC
6.07 −   $
9 orders / 1 review
High, 92%
100pcs 1206 SMD Thick Film Chip Multilayer Ceramic Capacitor 0.5pF-100uF 10NF 100NF 1UF 2.2UF 4.7UF 10UF 1PF 6PF 103 104 105
1.10 − 1.80  $
9 orders / 2 review
High, 88%
Digital capacitive touch switch sensor. Double side touch area. Module.
0.35 −   $
9 orders / × review
Middle, 76%
Free shipping NDIR CO2 SENSOR MH-Z14A infrared carbon dioxide sensor module,serial port, PWM, analog output with cable MH-Z14
26.29 −   $
9 orders / × review
Low, 46%
M10 Thread Installation Digital Temperature Sensor , DS18B20 Sensor stainless steel waterproof packaging
13.00 −   $
9 orders / 2 review
Middle, 73%
New DHT21 AM2301 Capacitance Digital Temperature And Humidity Sensor IOT-TH02 SHT30 probe replaces SHT10 SHT11 for arduino STM32
3.50 − 3.80  $
9 orders / 2 review
High, 96%
PW5120 ear ultrasonic horn 51mm waterproof 2.5-60Khz high-power ultrasonic bird control
11.00 −   $
9 orders / 3 review
Middle, 77%
Temperature and Humidity Transmitter Detection Sensor Module Collector Analog output 0-5V/0-10V/modbus485
15.29 − 16.04  $
9 orders / 2 review
Middle, 86%
Low Power MAX30102 Heart Rate Oxygen Pulse Breakout for Arduino Replace MAx30100
1.17 −   $
9 orders / 5 review
High, 93%
OptoCoupler - photo interrupter module
0.99 −   $
9 orders / 4 review
Middle, 76%
10pc ntc temperature sensor b3950 10k ntc 10k NTC sensor 1% 0.5M hole NTC M6 Probe waterproof ntc10k
10.45 −   $
9 orders / 3 review
Middle, 81%
MICS-6814 Air Quality CO NO2 NH3 Nitrogen Carbon Gas Sensor Module For Arduino
17.92 − 35.69  $
9 orders / 0 review
High, 95%
220-240V 50Hz AC 180 degree Auto PIR Motion Sensor Detector Switch 12 Meter Outdoor Light Lamp Switch Black
2.86 −   $
9 orders / 2 review
High, 87%
Strain Gauge Bending Sensor Module Y3 Weighing Amplifier Module Send Program Information
2.49 −   $
9 orders / 1 review
Middle, 86%
HC-SR505 Mini Infrared PIR Motion Sensor Precise Infrared Detector Module For Arduino Body Sensor Switch Module Sensing Mode
0.71 −   $
9 orders / 2 review
High, 87%
SN04-N SN04-N2 SN04-P SN04-P2 DC NPN PNP NO NC 4MM DC 10-30V SN04 Inductive Proximity Sensor Detection Switch
1.02 −   $
9 orders / 2 review
High, 90%
Free shipping !Keyestudio photoresistor light dependent resistor sensor module for arduino
3.80 −   $
9 orders / 4 review
High, 89%
SYME3Z-L30N1 Laser Sensor Diffuse Reflection Photoelectric Switch NPN NO 200mm Adjustable 12-24VDC 200mA Visible Light
647.03 −   $
9 orders / 6 review
Middle, 82%
PW3825 Ultrasonic speaker 38mm tray 2.5-50Khz insect repellent bird drive flooding cockroaches
10.16 −   $
9 orders / 2 review
Middle, 77%
WAVGAT Digital Load Cell Weight Sensor 2KG Portable Electronic Kitchen Scale + HX711 Weighing Sensors Ad
1.93 −   $
9 orders / 3 review
High, 89%
Silver plated / Silicone / PVC Cable NTC Thermistor 5K 10K 20k 50K 100K Waterproof Temperature Sensor Probe Thermal Resistance
2.61 − 5.13  $
9 orders / 1 review
Middle, 81%
Snow Rain weather humidity sensor for Arduino temperature rain sensor water raindrops detection Module for Arduino sensors
0.39 −   $
9 orders / 1 review
Middle, 74%
Piezoelectric shock tap sensor Vibration switch module piezoelectric sheet percussion for Arduino 51 UNO MEGA2560 r3 DIY Kit
1.17 −   $
9 orders / 2 review
High, 92%
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