Description Ordering
K5340 Guitar Preamp Kit

Guitar Preamp Kit

K5340

The guitar preamp when combined with any amplifier will produce crystal clear guitar sound free of the usual hum and noise frequently experienced on commercially produced units. With options to expand the unit to tw
K5350 Spring Reverb Guitar Effects Kit

Spring Reverb Guitar Effects Kit

K5350

(SC April '17) This two spring tank type reverb unit provides reverberation effects for your guitar or other instrument. Adds complexity and depth to your sound to impress the punters. Easy to build and integrate into other projects thanks to its 9-15VAC or 12-15VDC power requirement.
K5522 Balanced to Unbalance Conv. Kit

Balanced to Unbalance Conv. Kit

K5522

(SC June 2008) If you need to send audio over long distances this kit can convert unbalanced line level signals to balanced. Perfect for preventing hum and noise. The kit can also convert balanced signals to unbalanced.
K5530 Touchscreen Digital Audio Recording Kit

Touchscreen Digital Audio Recording Kit

K5530

(SC Jun-July 2014) Record CD quality sound directly to an SD card with this touchscreen recorder. It offers hours of recording and playback time from an internal rechargeable Li-Ion AA battery and may be recharged via USB. A stereo line input and mono mic input are provided via 3.5mm jacks, plus an internal microphone for instant handheld r
K5532 Precision Audio Signal Amplifier Kit

Precision Audio Signal Amplifier Kit

K5532

If you’ve ever tried to view a microphone signal on an oscilloscope and lost it in the noise, then you’ll know just how handy a signal amplifier can be. This kit provides a breakout for the high-performance AD4625-1 opamp with provision for a number of fixed gains, suitable for working with audio signals.
K5542 Voice Operated Switch Kit

Voice Operated Switch Kit

K5542

(SC July. '11) This versatile VOX circuit is triggered whenever a noise or sound is made causing a relay to close for a preset time. Requires a 12V DC power supply and a microphone. Reaction sensitivity and on tim
K5544 Mini Vox Relay Kit

Mini Vox Relay Kit

K5544

(SC Sept. '94) Compact miniature design uses only one IC to switch a relay. This versatile Vox circuit is triggered whenever a noise or sound is made (via the microphone) causing a relay to close for a preset time.
K5804 LED Musicolour Light Controller Kit

LED Musicolour Light Controller Kit

K5804

(SC Oct/Nov '12) Accepts audio input signals and drives coloured LEDs "in tune" with the music. 16 output channels respond to different audio frequency bands and the light brightness is in proportion to the
K5842 Video / Audio Switcher Kit

Video / Audio Switcher Kit

K5842

(SC June '01) If your home or business has more than one CCTV security camera you will want an automatic scanner that switches between the cameras so you can see what's happening, all on a single monitor.
K5886 240V Christmas/Lighting Controller - Slave Kit

240V Christmas/Lighting Controller - Slave...

K5886

(SC October '10) Brings your Christmas light show to life! Lights will flash, dim up & down in time with your favourite Christmas carols. Power up to 32 channels of lights from a master unit & 4 slaves.
K5887 LED Christmas/Lighting Controller - Slave Kit

LED Christmas/Lighting Controller - Slave Kit

K5887

(SC October '11) This new LED light slave controller kit will operate with the K 5885 master unit. Drive up to eight strings of LEDs, each string with completely individual control. Up to four slaves can be used per system - that's 32 channels of l
K6007 12V/24V 20A DC Motor Speed Controller Kit

12V/24V 20A DC Motor Speed Controller Kit

K6007

(SC June '11) This gutsy little speed controller has a wide range of applications and is simple to build and use. There are no software settings to fiddle with but it does have some really useful features such as low-battery protection, soft start
K6008 12V Motor Speed / Light Dimmer Controller Kit

12V Motor Speed / Light Dimmer Controller Kit

K6008

(SC November '08) This small circuit can be used as a speed controller for a 12V motor rated up to 5A (continuous) or as a dimmer for a 12V halogen or standard incandescent lamp up to 50W. It varies the power to the load (motor or lamp) usi
K6009 Photoflash Camera Trigger Kit

Photoflash Camera Trigger Kit

K6009

(SC January '09) Want to try your hand at 'stop motion' photography? This camera shutter/flash controller allows you to take a picture at a precise moment between 1ms and 9.99s after a trigger. Triggering can be from the included electret mic
K6022 High Power Ultrasonic Cleaner

High Power Ultrasonic Cleaner

K6022

This large and powerful Ultrasonic Cleaner is ideal for cleaning bulky items such as mechanical parts and delicate fabrics. It’s also quite easy to build and is packed with features.
K6027 12/24V MPPT Solar Charge Controller Kit

12/24V MPPT Solar Charge Controller Kit

K6027

This MPPT charge/Light controller will work with 12V or 24V solar panels to charge a 12V or 24V lead-acid or lithium iron phosphate battery. you can then use the battery to run 12V dc lighting.
K6042 240V Mains Soft Starter Kit

240V Mains Soft Starter Kit

K6042

(SC April '12) Are you alarmed by the juicy "splatt" from your mains power point when you plug in something like a large plasma TV set? Do you sometimes burn out light and power point switches because of
K6044 Champion Pre-Amp Kit

Champion Pre-Amp Kit

K6044

(SC January 2013) Designed to complement the K 6066 Champion Amp kit. Utilises a low voltage op-amp IC with considerably better performance than the old 'Pre-Champ'. Provides added gain to your signal whe
K6047 Mains Timer Kit

Mains Timer Kit

K6047

(SC August 2012). This simple circuit provides a turn-off delay for a 230VAC light or a fan. It can be used to make a bathroom fan run for a set period after the switch has been turned off or it can be used with a pushbutton to turn a light on fo
K6049 240V Mains Brownout Protector Kit

240V Mains Brownout Protector Kit

K6049

The Brownout Protector is designed to protect single-phase induction motors in fridges, freezers, pumps etc from burnout if they attempt to start during a brownout. It will switch off the power if the voltage falls below a set threshold.
K6066 7 Watt Champion Amplifier Kit

7 Watt Champion Amplifier Kit

K6066

(SC January 2013) A fully upgraded and redesigned version of the 'Champ Amp'. Delivers up to 7 watts of peak power with lower noise and distortion levels. It also offers muting and standby control, plus two
K6075 eFuse Resettable 12V Circuit Breaker Kit

eFuse Resettable 12V Circuit Breaker Kit

K6075

Ideal for automotive fault-finding * Set for any current between 315mA and 10A. This resettable Electronic Fuse (eFuse) can be used temporarily in place of a conventional fuse when fault-finding.
K6130 Programmable Remote Control Mains Switch Kit

Programmable Remote Control Mains Switch Kit

K6130

This remote control mains switch can be programmed to switch appliances on and off after a set period or to switch power on and off at set times.
K6340 Mini Switching Regulator

Mini Switching Regulator

K6340

(SC Feb '12) This tiny regulator board outputs 1.2-20V from a higher voltage DC supply at currents up to 1.5A. It's small, efficient and cheap to build, with many handy features such as a very low drop-ou
K7515 Resistor 1R-10M Decade Box Kit

Resistor 1R-10M Decade Box Kit

K7515

Designed by Altronics. A decade box is a really handy device for trying resistor values in-circuit before you select the final value to solder down.

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