| Search results for category:Creative Construction: (showing 31 to 45 of 61) | |
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middot Demonstrates the basic principles of lie detection the change in resistance of skin in the presence of perspiration middot Requires 3 x AA batteries Order Code L43AL More info...
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£3.99
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middot Solve your problems of indecision with this handy kit middot Each press of the button will generate a pseudo random number distinct from the last 5 middot Always produces 6 unique numbers in a row middot Requires 3 x AAA batteries Order Code L More info...
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£9.99
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middot Based on the NE5532 chip with independently adjustable output levels gain typically 100 middot Operating voltage 3V to 25V More info...
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£4.99
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middot Design and build your own flashing LED badge! middot 35 positions 7 x 5 grid in which LEDs can be placed middot Make your own design middot 25 red LEDs are included middot Requires 20mm 3V lithium battery Order Code ZB73Q More info...
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£5.99
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middot Write your own message in thin air middot Utilises persistence of vision to make a programmed message appear to float in space when the circuit is moved quickly in front of you middot Programming is done using on board buttons middot Requires More info...
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£9.99
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middot Simple to build and fun project middot Powered by two motors, independently controlled by a separate controller board attached by lead middot Can be driven forward when both motors are powered or leftright when only one motor is powered middot More info...
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£7.99
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middot A simple, universal preamp with adjustable output level gain typically 100 middot Can be run off a range of voltages from 3V to 25V More info...
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£3.99
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middot On board motion sensor latches a relay if even a slight motion is sensed middot Reset button returns the relay to an unenergised state middot Single pole changeover relay rated at 24V 10A not suitable for direct switching of mains voltages mid More info...
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£7.99
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middot The classic game recreated in electronic form by using bi colour LEDs redgreen middot Can you outwit the microchip middot Requires 3xAA batteries Order Code L43AL More info...
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£12.99
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PCB Etching Powder100g 0.5l middot Excellent stability middot 5 to 10 minutes etching time middot Makes 0.5l of solution This sodium persulphate based etch powder has been specifically developed for etching copper laminate used in the electronics ind More info...
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£2.26
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middot Safer, and excellent value compared to ferric chloride middot Excellent stability middot Etching time is 5 to 10 minutes at 45degC middot 1kg makes 5 litres of etch solution This sodium persulphate based etch powder has been specifically devel More info...
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£15.99
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A comprehensive kit of parts to produce professional looking PCBs easy and quickly. The kit includes the 8216Press n Peel8217 transfer system for marking out the boards prior to etching. Full instructions included. Kit contents More info...
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£62.14
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middot Never let your plants go thirsty again! middot Uses micro power technology to provide constant monitoring of soil moisture middot If the resistance of the soil dependent on its moisture content drops below a pre set level, an LED flashes to in More info...
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£4.99
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Block is ultrafine non metallic polishing compound bonded in an elastic material which wears evenly. It cleans, degreases and polishes in one clean simple procedure, totally eliminating the need for abrasive pastes, water washes and solvent washes. I More info...
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£3.34
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£15.52
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