TR - latest-deals 2012
TR products-discounts-deals-sales
LED Torch Kit 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
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Stroboscope Kit Stroboscope Kit
Two high-brightness white LEDs strobe at an adjustable rate 1.5Hz to 20HzRequires 9V PP3 battery sold separately
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Plant Moisture Monitor Kit Plant Monitor Kit
Never let your plants go thirsty again Uses micro-power technology to provide constant monitoring of soil moistureIf the resistance of the soil dependent on its moisture content drops below a pre-set level an LED flashes to indicate the plant needs wateringRequires 20mm 3V lithium battery Order Code ZB73Q
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Continuity Tester Kit Continuity TesterKit
Test bulbs and fuses with this projectAn audible beep is emitted when the circuit is completeRequires a 9V PP3 battery Order Code L46AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Alarm Clock Kit Alarm Clock Kit
Works like a normal digital alarm clock Built-in buzzer Requires a 9V-18V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Noughts and Crosses Kit Tic Tac Toe Kit
The classic game recreated in electronic form by using bi-colour LEDs redgreenCan you outwit the microchipRequires 3xAA batteries Order Code L43AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Lottery Number Picker Kit Lottery NumberPicker
Solve your problems of indecision with this handy kitEach press of the button will generate a pseudo-random number distinct from the last 5Always produces 6 unique numbers in a rowRequires 3 x AAA batteries Order Code L42AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Fake Car Alarm Kit Fake Car Alarm
Protect your car with this simple to build projectThe circuit flashes an LED using very low average powerWill run off 5V-18V
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Motion Detector Kit Motion Detector Kit
On-board motion sensor latches a relay if even a slight motion is sensedReset button returns the relay to an unenergised stateSingle pole changeover relay rated at 24V 10A not suitable for direct switching of mains voltagesRequires a 12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Temperature Activated Switch Kit TempActivated Switch
A universal temperature sensitive switch with adjustable sensitivitySingle pole changeover relay rated at 24V 10A not suitable for direct switching of mains voltagesRequires a 12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
555 Monostable Switch Kit 555MonostableSwitch
Provides a timed output pulse when triggered Trigger and reset inputs Pulse duration adjustable from approximately 1 second to over 15 minutes Single pole changeover relay rated at 24V 10A not suitable for direct switching of mains voltages Requires a 12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
555 Astable Switch Kit 555 Astable Switch
Provides a timed output pulse at regular intervals Adjustable pulse duration and cycle time Period from 1 second to over 1 minute pulse time from less than 0.5 seconds to over 5 seconds Single pole changeover relay rated at 24V 10A not suitable for direct switching of mains voltages Requires a 12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Torch-Controlled Bug Kit Torch Controlled Bug
Robot has two light-sensitive eyes that determine if either of the 2 motors are poweredCan be controlled using a light source like a torch or by casting shadows over the eyes Each eye has an independent sensitivity adjustmentExhibits a strange almost moth-like behaviourRequires 2 x AAA batteries Order Code L42AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Infrared Beam Kit IR Beam Kit
Detect the presence of obstacles with this infrared transmitter receiver pairAn output relay is driven if the beam is brokenCould be used to detect intruders if the output is hooked up to an alarmAlso link it to the Ding Dong Kit Order Code N44FL to form an automatic doorbellTransmitter and receiver each require a 9V PP3 or a DC 9V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99
Infrared 2-Channel Remote Controller Kit 2-Ch IR RC Kit
Control 2 relays via this infrared transmitter receiver pair Remote control requires 20mm 3V lithium battery Order code ZB73Q Receiver circuit requires a 12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Voice Changer Kit Voice Changer Kit
Manipulate your voice to sound like a robotAdd vibrato or increasedecrease pitchRequires 3 x AA batteries Order Code L43AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
555 Noise-Maker Kit 555 Noise Maker Kit
Generates a square wave of adjustable frequency approx. 20 Hz - 20 kHzThe square wave drives a FET for output into large loadsRequires a 9-18V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Function Generator Kit FunctionGeneratorKit
Microcontroller-based function generator capable of producing square sine sawtooth or triangle wavesThe wave shape and frequency are adjustable via on-board push buttons0-5V output and audio output that can drive a small speaker up to 1WRequires a 12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Ding Dong Kit Ding Dong Kit
This kit forms the basis for making your own doorbell Will drive a small speaker included Can be triggered externally or via an on-board button Requires 2 x AA batteries Order Code L43AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Crazy Music Generator Kit CrazyMusic Generator
Produce some interesting sounds without touching a thingGenerate a tone the pitch of which will depend on the proximity of your handWill drive a small speaker directly includedRequires 3 x AA batteries Order code L43AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Mono Preamp Kit Mono Preamp
A simple universal preamp with adjustable output level gain typically 100Can be run off a range of voltages from 3V to 25V
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Low-Noise Stereo Preamp Kit LowNoiseStereoPreamp
Based on the NE5532 chip with independently adjustable output levels gain typically 100Operating voltage 3V to 25VInput impedance 1kohm
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
1W Amplifier Kit 1W amplifier
A 1W amplifier with a set gain of 50 adjustable input attenuation Requires a 4-12V power supply
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
30W Amplifier Kit 30W amplifier
Based on the TDA2050 IC specification Operates from a DC supply 10V to 44V 32W output power into a 8andohm load at a supply voltage of 44V Suitable heatsink required Order Code RN90X
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
Spy Bug Kit Spy Bug
A wired bug kitPlace the microphone on a long lead in the vicinity of the to-be-bugged and listen via loudspeaker in the privacy of a different roomRequires 3 x AA batteries Order Code L43AL
- Maplin
Brand:
TRDelivery-cost:
£2.99Delivery-period:
1
