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Electric Cooler Kit

N12JG in catalogue

Electric Cooler Kit

• When the Peltier cell in this kit is connected to a power supply, one side of the cell gets hot and the other side gets cold • Perfect for cooling things down or warming things up • Requires 4 x AA batteries (not supplied) • Includes battery box for the batteries • Peltier cell measures 3cm x 3cm square and is 4mm thick

Out of stock - due in 9 days

Servo and Controller Board Kit

N10JG in catalogue

Servo and Controller Board Kit

• Enables control of a servo by simply turning the spindle of a variable resistor • Servo mirrors the movement, turning through a corresponding angle • Can be used for precise positional movement at a distance - two or more boards can be used to provide axes for a robotic arm • As long as the board is powered, the servo holds its stationary position • High gearing ratio acts as a hand brake even when power is removed • Requires 4 x AA batteries

In stock

only £17.99

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MP3 Docking Station Kit

N09JG in catalogue

MP3 Docking Station Kit

• Design your own docking station for your MP3 player • Uses a low cost stereo amplifier board • Runs either from batteries or an inexpensive PSU • 125mW (RMS) per speaker (8 ohm) tested with a 9V DC power supply • 250mW (RMS) per speaker (4 ohm) tested with a 9V DC power supply

In stock

only £7.99

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Eco Solar Night Light Kit

N14JG in catalogue

Eco Solar Night Light Kit

• In daylight the solar panel charges a single AA cell • In darkness, the white LED is lit • Requires 1 x AA rechargeable battery

In stock

only £9.99

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Eco LED Torch Kit

N13JG in catalogue

Eco LED Torch Kit

• A simple single transistor voltage boost circuit that powers a white LED • The boost circuit will even run off batteries that would otherwise be classed as "dead" • Requires 1 x AA battery

In stock

only £5.99

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Sound Activated Switch Kit

N08JG in catalogue

Sound Activated Switch Kit

• Can be set to toggle or pulse an output relay • Adjustable "on" time in pulse mode • Responds to claps or simple spoken words • Automatic cancellation of the noise generated by the relay • Single-pole changeover relay rated at 24V 10A (not suitable for direct switching of mains voltages) • Requires a 12V power supply

Out of stock - due in 16 days

only £11.99

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Light Activated Switch Kit

N19JG in catalogue

Light Activated Switch Kit

• A universal light sensitive switch with adjustable sensitivity • Single-pole changeover relay rated at 24V 10A (not suitable for direct switching of mains voltages) • Requires a 12V power supply

In stock

only £5.99

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Power from Space Kit

N11JG in catalogue

Power from Space Kit

• Captures electrical energy from space to power an LCD clock! • Circuit simply and safely rectifies a tiny fraction of the mega-watts of RF energy from radio/TV transmissions • Requires at least 21 metres of wire for the antenna and ground wires (not included)

In stock

only £8.99

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Laser Bright LED Kit

N17JG in catalogue

Laser Bright LED Kit

• Tiny 1 Watt LED kit • Produces an incredibly bright white light • Perfect for a DIY torch, night light or safety light • Requires 2 x AA batteries

In stock

only £8.99

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UV Banknote Checker Kit

N16JG in catalogue

UV Banknote Checker Kit

• Construct your own bank note checker! • Simply shine the light at a bank note • Images that do not show in normal light will appear on genuine currency • Requires 1 x AA battery, not supplied

Out of stock - due in 9 days

Magnetic Levitation Kit

N18JG in catalogue

Magnetic Levitation Kit

• Arrange the 16 small rare earth magnets on the steel base and watch as the pyrolytic graphite levitates! • A spectacular demonstration of the diamagnetic behaviour of magnets • Shows repulsion of the graphite by both the N and S poles of the magnets • Not suitable for children under 3 - always ensure adult supervision when using magnets around children

Out of stock - due in 9 days

LED Torch Kit

N12FL in catalogue

LED Torch Kit

• Simple to construct as an ideal first project • Uses a mega-bright red LED • Requires 20mm 3V lithium battery (Order Code: ZB73Q)

In stock

only £4.99

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Stroboscope Kit

N14FL in catalogue

Stroboscope Kit

• Two high-brightness white LEDs strobe at an adjustable rate (1.5Hz to 20Hz) • Requires 9V PP3 battery (sold separately)

In stock

only £6.99

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Plant Moisture Monitor Kit

N17FL in catalogue

Plant Moisture Monitor Kit

• Never let your plants go thirsty again! • Uses micro-power technology to provide constant monitoring of soil moisture • If the resistance of the soil (dependent on its moisture content) drops below a pre-set level, an LED flashes to indicate the plant needs watering • Requires 20mm 3V lithium battery (Order Code: ZB73Q)

In stock

only £4.99

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Continuity Tester Kit

N18FL in catalogue

Continuity Tester Kit

• Test bulbs and fuses with this project • An audible beep is emitted when the circuit is complete • Requires a 9V PP3 battery (Order Code: L46AL)

Web site only

only £5.99

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Alarm Clock Kit

N21FL in catalogue

Alarm Clock Kit

• Works like a normal digital alarm clock • Built-in buzzer • Requires a 9V-18V power supply

In stock

only £14.99

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Noughts and Crosses Kit

N22FL in catalogue

Noughts and Crosses Kit

• The classic game recreated in electronic form by using bi-colour LEDs (red/green) • Can you outwit the microchip? • Requires 3xAA batteries (Order Code: L43AL)

Web site only

only £14.99

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Lottery Number Picker Kit

N24FL in catalogue

Lottery Number Picker Kit

• Solve your problems of indecision with this handy kit • Each press of the button will generate a pseudo-random number distinct from the last 5 • Always produces 6 unique numbers in a row • Requires 3 x AAA batteries (Order Code: L42AL)

In stock

only £9.99

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Fake Car Alarm Kit

N26FL in catalogue

Fake Car Alarm Kit

• Protect your car with this simple to build project • The circuit flashes an LED using very low average power • Will run off 5V-18V

Out of stock - due in 9 days

Motion Detector Kit

N27FL in catalogue

Motion Detector Kit

• On-board motion sensor latches a relay if even a slight motion is sensed • Reset button returns the relay to an unenergised state • Single pole changeover relay rated at 24V 10A (not suitable for direct switching of mains voltages) • Requires a 12V power supply

In stock

only £8.99

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