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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 ...
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Buy For £4.99
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A matrix of 35 leds 7 x 5 displays the current time scrolling from right to left requires a 9v-18v power supply
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Buy For £9.99
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Alarm Clock Kit Alarm Clock Kit web offer buy now at £14.99 from merchant web offer. Maplin Electronics Ltd are stockiest of Alarm Clock Kit Alarm Clock Kit they also offer...
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Buy For £14.99
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The classic game recreated in electronic form by using bi-colour leds redgreen can you outwit the microchip requires 3xaa batteries order code l43al
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Buy For £14.99
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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 ...
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Simple to construct and great if you get bored watching the bath fill an audible signal is produced when the bottom of the circuit comes into contact with water requires 9v pp3 battery ...
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... to detect intruders if the output is hooked up to an alarm also link it to the ding dong "kit" order code n44fl to form an automatic doorbell transmitter and receiver each require a 9v pp3 or ...
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Buy For £17.99
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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
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Buy For £14.99
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