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1W Amplifier Kit ( 1W amplifier )andmiddot A 1W amplifier with a set gain of 50 adjustable input attenuationandmiddot Requires a 4-12V power supply... |
£4.99 More Information » |
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30W Amplifier Kit ( 30W amplifier )andmiddot Based on the TDA2050 IC specificationandmiddot Operates from a DC supply 10V to 44Vandmiddot 32W output power into a 8andOmega load at a supply voltage of 44Vandmiddot Suitable heatsink required Order Code RN90X... |
£11.99 More Information » |
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555 Astable Switch Kit ( 555 Astable Switch )andmiddot Provides a timed output pulse at regular intervalsandmiddot Adjustable pulse duration and cycle timeandmiddot Period from 1 second to over 1 minute pulse time from less than 0.5 seconds to over 5 secondsandmiddot Single pole changeover rela... |
£6.99 More Information » |
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555 Monostable Switch Kit ( 555MonostableSwitch )andmiddot Provides a timed output pulse when triggeredandmiddot Trigger and reset inputsandmiddot Pulse duration adjustable from approximately 1 second to over 15 minutesandmiddot Single pole changeover relay rated at 24V 10A not suitable for direct ... |
£6.99 More Information » |
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555 Noise-Maker Kit ( 555 Noise Maker Kit )andmiddot Generates a square wave of adjustable frequency approx. 20 Hz - 20 kHzandmiddot The square wave drives a FET for output into large loadsandmiddot Requires a 9-18V power supply... |
£6.99 More Information » |
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Alarm Clock Kit ( Alarm Clock Kit )andmiddot Works like a normal digital alarm clockandmiddot Built-in buzzerandmiddot Requires a 9V-18V power supply... |
£12.99 More Information » |
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Battery-Saving Lamp Kit ( Battery Saving Lamp )andmiddot A long-life LED based lampandmiddot Four red LEDs flash with a low on-time to off-time ratio that extends the battery lifeandmiddot This technique is commonly used in bicycle lightsandmiddot Requires a 9V PP3 battery Order Code L46AL... |
£3.99 More Information » |
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Burglar Alarm Kit ( Burglar Alarm Kit )andmiddot A piezoelectric sensor is attached to a windowandmiddot If the window is broken the energy released into the piezoelectric sensor will cause the relay to latchandmiddot An on-board reset button returns the relay to an unenergised stateandmi... |
£5.99 More Information » |
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Continuity Tester Kit ( Continuity TesterKit )andmiddot Test bulbs and fuses with this projectandmiddot An audible beep is emitted when the circuit is completeandmiddot Requires a 9V PP3 battery Order Code L46AL... |
£4.99 More Information » |
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Crazy Music Generator Kit ( CrazyMusic Generator )andmiddot Produce some interesting sounds without touching a thingandmiddot Generate a tone the pitch of which will depend on the proximity of your handandmiddot Will drive a small speaker directly includedandmiddot Requires 3 x AA batteries Order co... |
£9.99 More Information » |