Sensor Kits

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B192
B192 - Water Level Sensor Kit

HK01148

Water Level Sensor Kit

KEMO ELECTRONIC

Whenever two bare wires have contact with water, the light emitting diode will light up. The device is suitable to release an alarm in case of overflowing water in barrels or gutters. Supplied in kit form. • Operating voltage: 9V DC • Power consumption: 15...

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1+ £3.99 (£4.79) 5+ £3.58 (£4.30)

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WSAA2644
WSAA2644 - Frost Indicator Kit

HK01763

Frost Indicator Kit

WHADDA

Useful electronic kit which is designed to help you drive safely in freezing conditions. The kit utilises a flashing LED to indicate road temperature as it gets closer to freezing point. • Flashing LED indicates road temperature close to freezing point (be...

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1+ £6.95 (£8.34) 3+ £6.41 (£7.69)

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WSAK201
WSAK201 - Panda Plant Guardian Moisture Sensor Kit

HK01760

Panda Plant Guardian Moisture Sensor Kit

WHADDA

Simple moisture sensor kit with gold plated probes and cute panda PCB. The kit is easy to assemble and simply goes into the soil of your houseplant. The panda's RGB LED eyes will light up every 30 seconds to show the status of the soil; either too dry, too...

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1+ £13.99 (£16.79) 3+ £11.79 (£14.15)

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WSHA2639
WSHA2639 - Liquid Level Controller Kit

HK01784

Liquid Level Controller Kit

WHADDA

Useful multifunction liquid sensor kit that is designed to prevent problems that may occur from too much or too little moisture. The sensor is ideal for a range of applications including fluid level monitoring, relay controller or part of an alarm system. ...

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1+ £9.60 (£11.52) 3+ £8.87 (£10.64)

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WSHA8067
WSHA8067 - Temperature Sensor Kit

HK01785

Temperature Sensor Kit

WHADDA

Simple and effective DIY sensor kit that can be used to measure indoor and outdoor temperatures. • Temperature range: -20°C to 70°C • 2° Full range accuracy • 3 Wire system: GND, +V and OUT • Power Supply: 12V DC (0-5V OUT), 15V DC (0-10V OUT) • Supplied a...

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1+ £9.86 (£11.83) 3+ £9.11 (£10.93)

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WSAA120
WSAA120 - IR Beam Break Detector Kit

HK00730

IR Beam Break Detector Kit

WHADDA

A mini kit that allows you to create an infrared 'barrier' between the transmitter and receiver units. The transmitter emits an infrared light beam that is picked up by the matching receiver. If an object breaks the beam, the receiver sounds an alarm and a...

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1+ £7.95 (£9.54) 10+ £7.39 (£8.87)

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WSL125
WSL125 - Light Sensitive Switch

HK00835

Light Sensitive Switch

WHADDA

A fully automatic, light sensitive switch that will switch on at dusk and turn off at dawn. • Adjustable sensitivity • Delay circuit avoids cycling • Power source: 12Vdc • Relay output: NO/NC 24V, 5A max. • Dimensions: 65x50mm

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1+ £4.67 (£5.60) 10+ £4.34 (£5.21)

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WSHA179
WSHA179 - RFID Proximity Card Kit

HK01063

RFID Proximity Card Kit

WHADDA

• Contactless RFID technology • Supports up to 25 access cards in 64-bit high security mode • Unlimited access cards in low security mode • Easy addition and removal of cards • Detection coil can be mounted up to 5m away from the main kit • Detection rang...

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1+ £13.95 (£16.74) 5+ £13.33 (£16.00)

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B048
B048 - Temperature Switch 12V Kit

HK01139

Temperature Switch 12V Kit

KEMO ELECTRONIC

A 12V Temperature controlled switch that switches according a relay on or off at a preset temperature. Ideal as thermostat, ice alarm, fire detector, etc. Supplied in kit form. • Operating voltage: 12-14Vdc • Current consumption: 100mA (max) • Temperature ...

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1+ £7.95 (£9.54) 5+ £7.16 (£8.59)

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HAA2866/TAG
HAA2866/TAG - RFID Proximity Access Card

HK01065

RFID Proximity Access Card

VELLEMAN KIT

A proximity access card that can be used with a Velleman K8109 proximity card reader.

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1+ £2.59 (£3.11) 5+ £2.41 (£2.89)

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WSHA138
WSHA138 - Thermostat Mini Kit

HK00813

Thermostat Mini Kit

WHADDA

A general purpose thermostat with NTC temperature sensor. Output relay with LED indicator. • Temperature range: +5°C to +30°C approx. • Relay power rating: 24Vdc/ac, 3A • Power supply: 12Vdc, 100mA • Dimensions (WxHxD): 54x28x62mm

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1+ £5.99 (£7.19) 10+ £5.61 (£6.73)

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B062
B062 - Infrared Light Barrier Kit 18m

HK01141

Infrared Light Barrier Kit 18m

KEMO ELECTRONIC

An infra-red light barrier with a range of 18m. The kit makes both the transmitter and the receiver. Ideal for alarm systems, garage door opening and triggered photography. Built-in IR filter allows use in both day and night conditions. Supplied in kit for...

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1+ £12.50 (£15.00) 5+ £11.25 (£13.50)

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B214
B214 - Ultrasonic Sensor Kit

HK01151

Ultrasonic Sensor Kit

KEMO ELECTRONIC

An LED lights up if a body approaches the ultrasonic sensors at a distance of 10 - 80 cm (depending on the size of the body). Suitable for parking sensors and intruder alarms. Supplied in kit form. • Operating voltage: 9-12V DC • Operating frequency: 40kHz...

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1+ £8.33 (£10.00) 5+ £7.50 (£9.00)

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2112
2112 - Light Activated Switch Kit

HK01471

Light Activated Switch Kit

KITRONIK

This light activated kit is also available as a temperature activated project kit. The output of the board can be used to control other electronic circuits, turning them on automatically when it goes light, dark, hot or cold. The board has space for an LED...

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1 Kit

1+ £1.85 (£2.22) 10+ £1.65 (£1.98)

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MK189
MK189 - 12V Car Battery Monitor Kit

HK01455

12V Car Battery Monitor Kit

VELLEMAN KIT

This small circuit is of great value to check you car battery status. • Only 2 wires to connect (connect after ignition) • Uses multi colour 3mm LED • Green: battery OK • Green Slow Pulsing: battery OK or charging • Red: battery voltage is low • Red blinki...

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1 Kit

1+ £3.84 (£4.61) 5+ £3.50 (£4.20)

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WSHA139
WSHA139 - Clap On / Off Switch Kit

HK01447

Clap On / Off Switch Kit

WHADDA

• Operate your lighting simply by clapping your hands • Ideal for disabled or elderly people • Good immunity against surrounding noises • 1 Clap or 2 clap mode selection • 2 Clap mode features built in safety turn-off timer (approx. 5h) • Output relay Pul...

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1+ £9.99 (£11.99) 5+ £9.35 (£11.22)

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WSMI7102
WSMI7102 - Metal Detector Kit

HK01428

Metal Detector Kit

WHADDA

With this handy metal detector, it can now be determined beforehand whether there are metal objects to be found in a wall, ceiling or floor. An LED indicates if a metal object is in the vicinity. • Avoid disasters when drilling holes in walls • Locate pipe...

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1+ £7.10 (£8.52) 5+ £6.22 (£7.46)

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WSAA108
WSAA108 - Mini Water Alarm Kit

HK01438

Mini Water Alarm Kit

WHADDA

• Gives alarm sound when water is detected • Incorporated alarm buzzer • Water sensor can be placed at a distance by cutting the board and using wires to connect the sensor • Requires 9V battery (not included) • Dimensions: 45x70mm

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1 Kit

1+ £4.09 (£4.91) 5+ £3.81 (£4.57)

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WSAK8118
WSAK8118 - Stereo Ultrasonic Sound & Bat Detector Kit

HK01711

Stereo Ultrasonic Sound & Bat Detector Kit

WHADDA

Simple and effective tool for converting ultrasonic sounds into audible sound for humans, ideal for studying bats and electrical inspections where the detection of ultrasound is involved. Images show fully assembled unit, the product is supplied in kit for...

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1 Kit

1+ £16.99 (£20.39) 5+ £15.70 (£18.84)

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