Alarm Detectors

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Alarm Detectors


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DFR0054
DFR0054 - Gravity Analogue Potentiometer Sensor v1 for Arduino

SC15093

Gravity Analogue Potentiometer Sensor v1 for Arduino

DFROBOT

This is an Arduino-based rotary potentiometer sensor, designed for use in Arduino projects that require position-dependent interaction. • Wide voltage range from 3.3V to 5V • Rotates through 300 degrees • Analogue interface • Plug and play 3-pin Gravity in...

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1+ £2.68 (£3.22)

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Analog Rotation Potentiometer Sensor V1 Arduino Development Boards Gravity Series
DFR0030
DFR0030 - Gravity Digital Capacitive Touch Sensor for Arduino

SC15089

Gravity Digital Capacitive Touch Sensor for Arduino

DFROBOT

This Arduino digital capacitive touch sensor provides a one-touch style switch for your Arduino project. It uses the capacitive sensing technology which is the same as your mobile phone. This little sensor can detect a touch and feedback a high/low voltage...

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1+ £4.51 (£5.41)

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Digital Capacitive Touch Sensor Arduino Development Boards Gravity Series
SEN0193
SEN0193 - Gravity Analogue Capacitive Soil Moisture Sensor - Corrosion Resistant

SC15117

Gravity Analogue Capacitive Soil Moisture Sensor - Corrosion Resistant

DFROBOT

This sensor lets you easily measure the amount of moisture present in soil with capacitive sensing, rather than the standard resistive method making it ideal for various IoT garden projects that require real-time soil mosture data. • Corrosion resistant ma...

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1+ £5.98 (£7.18)

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Analog Capacitive Soil Moisture Sensor- Corrosion Resistant Arduino IO Expansion Shield Gravity Series
DFR0022
DFR0022 - Gravity Analogue Greyscale Sensor for Arduino

SC15077

Gravity Analogue Greyscale Sensor for Arduino

DFROBOT

Simple module that measures light intensity from black to white. The sensor is composed of a photocell (light-controlled variable resistor) and an integrated white LED to process and analyse greyscale light ranges. This is an ideal sensor for automatic lam...

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Analog Grayscale Sensor Arduino Development Boards Gravity Series
ROB-09454
ROB-09454 - QRE1113 Line Sensor Breakout Board, Digital

MK00653

QRE1113 Line Sensor Breakout Board, Digital

SPARKFUN ELECTRONICS

Breakout board for the QRE1113 sensor with a digital output, which is ideal for line sensing robots and similar applications where only digital I/O are available. • The sensor can be used in both 3.3V and 5V systems • The IR reflectance sensor is comprised...

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1+ £2.77 (£3.32)

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ROB-09453
ROB-09453 - QRE1113 Line Sensor Breakout Board, Analogue

MK00652

QRE1113 Line Sensor Breakout Board, Analogue

SPARKFUN ELECTRONICS

Breakout board for the QRE1113 sensor with an easy to use analogue output, which is ideal for line sensing robots and similar applications. • The sensor can be used in both 3.3V and 5V systems • The IR reflectance sensor is comprised of two parts: an IR em...

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SEN0213
SEN0213 - Gravity Analogue Heart Rate (ECG) Monitor Sensor for Arduino

SC15123

Gravity Analogue Heart Rate (ECG) Monitor Sensor for Arduino

DFROBOT

Analogue ECG sensor for use with Arduino projects; used to measure the electrical activity of the heart and monitor heart rate. This electrical activity can be charted and output as an analogue reading. An ECG signal can be extremely noisy so an AD8232 chi...

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1+ £15.36 (£18.43)

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Analog Heart Rate Monitor Sensor (ECG) DFRduino UNO R3 - Arduino Compatible Board Gravity Series
PIM357
PIM357 - BME680 Environment Sensor Breakout Board - Air Quality, Temperature, Pressure, Humidity

SC14929

BME680 Environment Sensor Breakout Board - Air Quality, Temperature, Pressure, Humidity

PIMORONI

PIM357 is a state-of-the-art BME680 breakout board to measure temperature, pressure, humidity, and indoor air quality. This breakout board is Raspberry Pi and Arduino-compatible. Use this breakout to monitor every aspect of your indoor environment. Its gas...

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1+ £15.78 (£18.94)

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Sensor Breakout Arduino and Raspberry Pi Boards -
WT04
WT04 - WiFi Vibration Sensor

SR10291

WiFi Vibration Sensor

NETZHOME

• Wirelessly pair device to your standard router or Wi-Fi extender • Alerts are sent to your smartphone or tablet device • Notifications can be silent or accompanied by an alarm tone • Max. 100x individual devices can be registered and seen in the app and...

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1+ £26.21 (£31.45) 3+ £25.05 (£30.06)

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- - netzhome Wi-Fi Sensors
SEN-13162
SEN-13162 - ZX Distance and Gesture Sensor Board

MK00811

ZX Distance and Gesture Sensor Board

SPARKFUN ELECTRONICS

Compact touchless sensor board that is capable of detecting simple gestures using GestureSense® technology. This system utilises two LEDs that bounce infrared beams of either side of an object, the bounced IR beams return to the central sensor and the data...

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1+ £20.15 (£24.18)

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WT12
WT12 - WiFi Water Leakage Sensor

SR10404

WiFi Water Leakage Sensor

NETZHOME

• Wirelessly pair device to your standard router or Wi-Fi extender • Alerts are sent to your smartphone or tablet device • Notifications can be silent or accompanied by an alarm tone • Max. 100x individual devices can be registered and seen in the app and...

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- - netzhome Wi-Fi Sensors
WIG-11888
WIG-11888 - PicoBoard Sensor Kit

ED00377

PicoBoard Sensor Kit

SPARKFUN ELECTRONICS

The PicoBoard is a simple sensor board designed to assist anyone getting into the basics of reading and programming with sensor inputs. Using Scratch you can create interactive programs using the onboard light and sound sensors. You can even add your own s...

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1+ £32.39 (£38.87)

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CNS-CMSW01B
CNS-CMSW01B - Wireless Optical Mouse with Blue LED Sensor, Gloss Black

CS31694

Wireless Optical Mouse with Blue LED Sensor, Gloss Black

CANYON

Practical wireless mouse with professional performance. The blue LED sensor and smart power saving system extends battery life by up to 20% and the durable design will withstand over 3 million clicks. • Enhanced blue LED sensor is more precise than a stand...

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1+ £6.59 (£7.91)

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PEL00836
PEL00836 - Wall Mounted Light with Dusk to Dawn Sensor

LA06986

Wall Mounted Light with Dusk to Dawn Sensor

PRO ELEC

An IP44 rated wall-mountable outdoor lantern style garden light with dusk to dawn sensor that features polypropelene construction with clear glass windows. This stylish black finish lantern is ideal for lighting up doorways, passage ways, sheds and garages...

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1+ £8.33 (£10.00) 3+ £7.69 (£9.23) 5+ £7.43 (£8.92)

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RTP-PT100
RTP-PT100 - Stainless Steel Probe With Weatherproof Connection Box for PT100 Sensors, Wall Mountable, IP67

SN36919

Stainless Steel Probe With Weatherproof Connection Box for PT100 Sensors, Wall Mountable, IP67

LABFACILITY

The RTP-PT100 is a rugged wall-mounting Stainless Steel Probe with weatherproof connection box. It is recommended for outdoor use, cold stores and other heavy-duty applications. • Perforated outer stainless steel sheath acts as radiated heat shield and mec...

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1+ £99.34 (£119.21) 3+ £91.69 (£110.03)

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DFR0165
DFR0165 - Gravity IO Sensor Shield for Arduino Mega Due

SC15066

Gravity IO Sensor Shield for Arduino Mega Due

DFROBOT

Say goodbye to messy cables and clueless plugging/unplugging! This  Sensor Shield  is a powerful expansion shield  for Arduino Mega Due. It is large enough to carry up to 3 Xbee slots, 1 MicroSD slot and shield headers for most Arduino shields on the marke...

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1+ £11.38 (£13.66)

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IO Sensor Shield Arduino Development Boards Gravity Series
PEL00837
PEL00837 - Wall Mounted Light with Dusk to Dawn Sensor

LA06987

Wall Mounted Light with Dusk to Dawn Sensor

PRO ELEC

An IP44 rated wall-mountable outdoor lantern style garden light with dusk to dawn sensor that features polypropelene construction with clear glass windows. This stylish white lantern is ideal for lighting up doorways, passage ways, sheds and garages around...

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1+ £10.21 (£12.25) 3+ £9.71 (£11.65) 5+ £8.89 (£10.67)

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SEN0019
SEN0019 - Gravity Digital Adjustable Infrared IR Distance Sensor

SC15107

Gravity Digital Adjustable Infrared IR Distance Sensor

DFROBOT

Digital adjustable Arduino infrared proximity sensor great choice for quick prototyping. Use it on a robot for wall detection and wall follower or as some of the projects listed below as a trigger system. It's round shape with the screwable holders make it...

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Adjustable Infrared Sensor Switch Arduino IO Expansion Shield Gravity Series
DFR0058
DFR0058 - Gravity Analogue Potentiometer Sensor v2 for Arduino

SC15094

Gravity Analogue Potentiometer Sensor v2 for Arduino

DFROBOT

Multi-ring rotary potentimeter sensor for Arduino projects that require more accurate readings. It is based on a multi-turn precision potentiometer and can rotate up to 10 laps. • High precision multi-turn potentiometer that can rotate up to 10 laps • Rot...

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Analog Rotation Potentiometer Sensor V2 Arduino Development Boards Gravity Series
TCRT5000.
TCRT5000. - Sensor, Optical, Transistor Output

SC14696

Sensor, Optical, Transistor Output

VISHAY

The TCRT5000 is a Reflective Optical Sensor which includes an infrared emitter and phototransistor in a 3.5mm leaded package which blocks visible light. • Phototransistor Detector • 2.5mm Peak Operating Distance • 1mA Typical Output Current Under Test • 95...

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1+ £0.56 (£0.67) 10+ £0.53 (£0.64)

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- - TCRT5000
SEN-09721
SEN-09721 - Barometric Pressure Sensor Breakout Board, MPL115A1

MK00661

Barometric Pressure Sensor Breakout Board, MPL115A1

SPARKFUN ELECTRONICS

Breakout board for the MPL115A1 digital barometer, this sensor utilises MEMs technology to give accurate presssure measurements between 50kPa and 115kPa. • Outputs both temperature and pressure readings on the SPI bus • kPa accuracy: 5x3 mm (1.2mm height) ...

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PEL01364
PEL01364 - IP44 Outdoor Solar 20 LED Security Wall Light with PIR Sensor

LA08014

IP44 Outdoor Solar 20 LED Security Wall Light with PIR Sensor

PRO ELEC

The Pro Elec PEL01364 Solar Wall Security Light features 20 SMD LEDs emitting 6500K white light. It includes a PIR sensor with a 3 metre detection range and a 90° to 120° wide angle detection. Powered by a 5.5V, 0.55W monocrystal silicon solar panel and a ...

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Hazardous Item: There maybe additional transit time on this item. Delivery of other items on your order will be unaffected.

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- - Pro Elec LED Solar Security Lights
4058075267824
4058075267824 - 0.95W DoorLED Down Light with PIR Sensor, 4000K, Cool White, 40lm, Silver, IP54

LA09224

0.95W DoorLED Down Light with PIR Sensor, 4000K, Cool White, 40lm, Silver, IP54

LEDVANCE

• Attractive and functional design • Integrated light and motion sensor • Easy installation • IP54 Rated • Requires 4x AA Batteries (supplied) • 40 Lumens • Non-Dimmable • Power Rating: 0.95W

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- - Door LED Down Series
4058075270855
4058075270855 - 1.7W NightLux Battery Ceiling Light with PIR Sensor, 4000K, Cool White, 105lm, Silver, IP20

LA09228

1.7W NightLux Battery Ceiling Light with PIR Sensor, 4000K, Cool White, 105lm, Silver, IP20

LEDVANCE

• Attractive and functional design • Easy installation with adhesive tape and screws for mounting • Integrated light and motion sensor • Suitable for use in hallways and entrances • Requires 3x AAA Batteries (supplied) • Non-Dimmable • Power Rating: 1.7W ...

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- - NIGHTLUX Ceiling Series
4058075227408
4058075227408 - 10W Battery LED Double Spotlight with PIR Sensor, 4000K, Cool White, 480lm, White

LA09231

10W Battery LED Double Spotlight with PIR Sensor, 4000K, Cool White, 480lm, White

LEDVANCE

• Energy saving spotlight equipped with integrated motion and daylight sensor • Battery operated • Continuous battery life of up to 10 hours • Required 4x D Batteries (not included) • IP54 Rated • Non-Dimmable • Power Rating: 10W • 480 Lumens • Detection ...

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1+ £34.85 (£41.82) 5+ £33.04 (£39.65)

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- - Battery LED Spotlight Double Series