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DS18B20 Stainless Steel Water Temperature Sensor Waterproof
In-Stock
DS18B20 Stainless Steel Encapsulated Temperature Sensor Waterproof

With high quality stainless steel tube encapsulation,the item is waterproof, moistureproof, rust-proof.
Sealing with high thermal conductivity sealant to guarantee high sensitivity and the minimum temperature delay of the temperature sensor.
Every probe is tested strictly to ensure it works normally.

HC-SR501 Adjust IR Pyroelectric PIR Motion Sensor
In-Stock
HC-SR501 Pyroelectric Infrared PIR Motion Sensor Modules for Microcontrollers

automatic sensor:when enter the sensor,output range is high,when people leave the sensor, range of the automatic off, output low
temperature compensation,Blockade time: 0.25 seconds

Speed Sensor IR Optocoupler Module
In-Stock
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"