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Security Sensors

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The WPSE311 module is built around the DHT11 temperature & humidty sensor complete with a high performance microcontroller attached to ensure reliable results. The module features a calibrated digital signal output with fast results and anti-interference DHT11 temperature and humidity sensor Calibrated digital signal output 8-bit Microcontroller connected Temperature range: 0°C to 50°C (±2°C) Humidity range: 20% to 90% RH (±5%) Operating voltage: 5V DC Dimensions (HxWxD): 10x23x39mm
from £7.74 up to £7.90 
Compare prices and buy Whadda Temperature and Humidity Sensor Module, DHT11 WPSE311
£8.00
£8.00
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A module equipped with a PIR sensors that allows sensing of motion, and detects whether an object has moved in or out of the sensor-s range. PIR Sensor module that detects motion Max. sensor range: 7m Detection angle: 120° Sensitivity and delay adjustments Delay time: 3 to 200s Voltage: 5V DC Output level: 3V (high), 0V (low) Connection: 3-pin male header Pins: GND, VCC and OUT
from £6.22 up to £6.35 
Compare prices and buy Velleman Whadda PIR Motion Sensor Module WPSE314
£6.00
£6.00
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E-Catalog UK editor, Security Sensors | Your suggestions for the section →
   , edited 27.08.2026