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A.I. Electronics
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White MC-38 Wired Sensor Detector Magnetic Switch Normally Closed or Normally Open
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White MC-38 Wired Door Window Sensor Detector Magnetic Switch Normally Closed or Normally Open NC/NO for Home Security Alarm System
$1.56
Water Level Sensor Water Droplet Depth Detection
In-Stock
Water Level Sensor Liquid Water Droplet Depth Detection Sensor
Humidity: 10% -90% non-condensing
Operating current: less than 20mA
Sensor Type: Analog
Humidity: 10% -90% non-condensing
Operating current: less than 20mA
Sensor Type: Analog
$1.56
Speed Sensor IR Optocoupler Module
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LM393 Chip Motor Measuring Comparative Speed Sensor Module Slot Type IR Optocoupler
Product Name : Speed Sensor Module;Working Voltage : DC 3.3-12V
Main Chip : LM393;PCB Board Size : 33 x 14mm/ 1.3" x 0.55" (L*W)
Slotted Width : 5mm/ 0.2";Hole Size : 3mm/ 0.12"
Product Name : Speed Sensor Module;Working Voltage : DC 3.3-12V
Main Chip : LM393;PCB Board Size : 33 x 14mm/ 1.3" x 0.55" (L*W)
Slotted Width : 5mm/ 0.2";Hole Size : 3mm/ 0.12"
$3.12
SHARP GP2Y0A02YK0F Infrared Sensor 20-150cm + Cable
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SHARP GP2Y0A02YK0F Infrared Proximity Sensor Detect 20-150cm Distance Long Range
Range 20cm ~ 150cm; Supply voltage 4.5V ~ 5.5V ; Current :33mA power
Voltage - Output (standard value) @ a distance under the conditions of 400mV @ 150cm
Voltage - difference (standard value) 2.05V @ 20 ~ 150cm
Range 20cm ~ 150cm; Supply voltage 4.5V ~ 5.5V ; Current :33mA power
Voltage - Output (standard value) @ a distance under the conditions of 400mV @ 150cm
Voltage - difference (standard value) 2.05V @ 20 ~ 150cm
$8.32
84X48 Nokia 5110 LCD Display Screen
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84X48 Nokia 5110 LCD Display Screen
Single chip LCD controller/driver,48 row, 84 column outputs,Display data RAM 48 × 84 bits.
Single chip LCD controller/driver,48 row, 84 column outputs,Display data RAM 48 × 84 bits.
$5.20
CH340G NodeMcu 3v Internet of Things Board ESP8266
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Wireless Module Connector CH340G NodeMcu Lua V3 WiFi Internet of Things Development Board Based On ESP8266 CH-340 Micro USB Serial Port
$6.50
MQ2 Gas Sensor For Methane Butane LPG Smoke Detects
In-Stock
MQ2 Gas Sensor For Methane Butane LPG Smoke Detects
$3.90
$6.50
LDR Digital Light Intensity Detection Photosensitive Sensor
In-Stock
LDR Digital Light Intensity Detection Photosensitive Sensor Module
$1.30
Heart Pulse Rate Sensor
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Pulse Sensor Heart Rate Sensor Monitor PulseSensor Compatible with Arduino Module Raspberry pi
$4.16
5 Channel Infrared Reflective Sensor TCRT5000 Barrier Line Track + Cable
In-Stock
5 Channel Infrared Reflective PIR Sensor Module TCRT5000 5 Way/Road IR Photoelectric Switch Barrier Line Track Module
$4.16
Distance Measuring Sensor US-015 High Precision Ultrasonic Ranging Module
In-Stock
Distance Measuring Module US-015 High Precision Ultrasonic Ranging Sensor Replaces
$3.64