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Sensors
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rating alitools
High (87–100%)
Middle (50–86%)
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Electronic Components & Supplies
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Sensors
By orders
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By Alitools rating
4775 products
MH-Z19 MH-Z19B Infrared CO2 Sensor Module Carbon Dioxide Gas Sensor for CO2 Monitor 0-5000ppm MH Z19B NDIR
18.71
−
$
1840
orders
/
385
review
High,
96
%
Snow/Raindrops Detection Sensor Module Rain Weather Module Humidity
0.45
−
1.25
$
1834
orders
/
130
review
High,
96
%
1pcs DHT22 digital temperature and humidity sensor Temperature and humidity module AM2302 replace SHT11 SHT15
3.80
−
$
1808
orders
/
32
review
High,
90
%
New MQ135 MQ-135 Air Quality Sensor Hazardous Gas Detection Module For Arduino M2 PromotionHot New Arrival
1.13
−
$
1797
orders
/
111
review
High,
96
%
52mm PP Liquid Water Level Sensor Horizontal Float Switch Down
0.84
−
$
1769
orders
/
114
review
High,
96
%
EQV 10PCS Highly sensitive SW-520D SW520 ball switch angle Tilt switch vibration switch
0.77
−
$
1736
orders
/
217
review
High,
95
%
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
0.88
−
9.13
$
1718
orders
/
41
review
High,
94
%
1PCS TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Track Module For Arduino Diode Triode Board 3.3v
0.56
−
2.09
$
1709
orders
/
254
review
High,
93
%
AHT10 High Precision Digital Temperature and Humidity Sensor Measurement Module I2C Communication Replace DHT11 SHT20 AM2302
0.63
−
0.65
$
1695
orders
/
333
review
High,
96
%
DHT22 Digital Temperature and Humidity Sensor AM2302 Module+PCB with Cable
1.00
−
2.72
$
1684
orders
/
545
review
High,
96
%
Free Shipping 10pcs/LOT eneral integration universal infrared receiving head/Infrared sensor HX1838 / VS1838 VS1838B
0.74
−
$
1675
orders
/
68
review
High,
96
%
10pcs/lot temperature sensor PT100 DS18B20 Stainless steel casing pipes Protective sleeve 6*50mm
1.46
−
$
1658
orders
/
266
review
High,
95
%
DC 5V 12V soil moisture sensor relay control module Automatic watering of the humidity starting switch
1.26
−
$
1597
orders
/
207
review
High,
97
%
Photosensitive sensor module light module detects photosensitive photosensitive resistor module for arduino
0.34
−
$
1581
orders
/
184
review
High,
93
%
10 pcs Reed Switch 3 pin Magnetic Switch Normally Open and Normally Closed Conversion 2.5X14MM NO NC
3.28
−
$
1580
orders
/
5
review
High,
96
%
5Pcs/Lot DS18B20 18B20 18S20 TO-92 Temperature Sensor Thermometer Temperature Sensor 100% New Origin
1.30
−
$
1442
orders
/
24
review
High,
89
%
ShengYang DS1820 Stainless steel package Waterproof DS18b20 temperature probe temperature sensor 18B20 for arduino
0.35
−
1.80
$
1346
orders
/
147
review
High,
97
%
DS18B20 single-bus digital temperature sensor module for Arduino
0.66
−
$
1252
orders
/
42
review
High,
93
%
10pcs/lot Reed Switch 2.5X14MM magnetic switch GLASS Green 3 pin Reed Switch Normally Open and Normally Close Conversion NO NC
3.10
−
$
1206
orders
/
9
review
High,
96
%
Capacitive soil moisture sensor module Corrosion Resistant wide voltage wire Analog Capacitive Soil Moisture Sensor V1.2
0.45
−
$
1198
orders
/
101
review
High,
96
%
Temperature Sensor 0.28 Inch Red Digital Display Thermometer Meter Detector Module With NTC Metal Waterproof Probe
2.44
−
$
1190
orders
/
5
review
High,
92
%
5pcs DALLAS DS18B20 18B20 TO-92 IC CHIP Thermometer Temperature Sensor
1.08
−
$
1173
orders
/
131
review
High,
96
%
Hot 50cm NTC Thermistor Temperature Sensor Waterproof Probe Wire 10K 1% 3950 W1209 W1401 cable
0.29
−
1.93
$
1158
orders
/
200
review
High,
95
%
LJ12A3-4-Z/BY Inductive Proximity Sensor Switch PNP DC 6V-36V NEW
1.09
−
$
1152
orders
/
33
review
High,
91
%
DC 3.3V-5V IO Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor For Arduino DIY Kit Wave Detector Ranging Module
0.43
−
1.70
$
1122
orders
/
120
review
High,
94
%
5pcs/lot temperature sensor PT100 DS18B20 Stainless steel casing pipes Protective sleeve 6*50mm
0.79
−
$
1073
orders
/
190
review
High,
95
%
DC 12V Capacitive Touch Sensor Switch Coil Spring Switch LED Dimmer Control Switch 9-24V 30W 3A for Smart Home LED Light Strip
1.14
−
$
1043
orders
/
35
review
High,
96
%
100g 200g 300g 500g 750g 1kg 2kg 3kg 5kg 10kg 20kg Electronic Scale Aluminum Alloy Weighing Sensor Load Cell Weight sensor hx711
0.26
−
2.78
$
1037
orders
/
223
review
High,
88
%
DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino
0.00
−
$
1000
orders
/
157
review
High,
97
%
DS18B20 Temperature Sensor Module Kit Waterproof 100CM Digital Sensor Cable Stainless Steel Probe Terminal Adapter For Arduino
0.00
−
$
1000
orders
/
168
review
High,
96
%
TZT Mini IR Pyroelectric Infrared PIR Motion Human Sensor Automatic Detector Module AM312 Sensor DC 2.7 to 12V
0.41
−
2.84
$
184
orders
/
48
review
High,
97
%
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