Nuts and Volts - July 2009

4 CHANNEL RELAY BOARD WITH IP CONTROL KIT

VOLTAGE

BATTERY ZAPPER

OME OF OUR MOST

MONITOR KIT

KIT - MK II

KC-5424 $13.50 plus postage & packing

KC-5427 $63.25 plus postage & packing

WER PROJECT KITS FOR

This versatile kit will allow you to monitor the battery voltage,

This kit produces short bursts of high level energy to reverse

the airflow meter or oxygen sensor in your car. The kit features the damaging sulphation effect - a common cause of failure in a 10 LED bar graph that lights the LEDS in response to the wet lead acid cell batteries. Features a battery health checker measured voltage, preset 9-16V, 0.-5V or 0-1V ranges with LED indicator, new circuit protection against badly KV-3595 $58.00 plus postage & packing complete with a fast response time, high input impedance and sulphated batteries, test points for a DMM and connection for a This 4 input switcher can be given an IP address which allows auto dimming for night time driving. Kit includes PCB battery charger. Also includes case

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lighting, or other home appliances can be switched on or off by

• 12VDC instructions. utilising this pasword protected module.

• Suitable for 6, 12 & 24V batteries

• Powered by the battery itself

IMPROVED LOW VOLTAGE ADAPTOR KIT

KC-5463 $10.50 plus postage & packing

This handy regulator will let you run a variety if devices such as CD, DVD or MP3 players from your car cigarette lighter sockets or even a digital camera or powered speakers from the power supply inside your PC. This unit can will supply either 3V, 5V, 6V, 9V, 12V or 15V) from a higher input voltage at up to four amps (with suitable heatsink). Kit includes screen printed PCB and all specified components. Heatsink not included.

• Polarity protection • Supports; HTTP, IP, DDNS, and DHCP

• Embedded Web Server

VERSATILE REGULATED

VOLTAGE ADAPTOR KITS

KA-1797 $4.75 plus postage & packing

A low-powered DC converter suited for many applications such as a peripheral computer power supply, powered speakers, modems, music/MIDI keyboards, etc. Just plug it's input into your PC's internal power supply cable and have selectable regulated voltage out from 3 to 15VDC. Output current capability is around 1.5 amps depending on the size of heatsink used (heat sink sold separately).

PCB plus electronic components included.

VOLTAGE REGULATOR KIT

KC-5446 $10.00 plus postage & packing

This handy voltage regulator can provide up to 1,000mA at any voltage from 1.3 to 22VDC. Ideal for experimental projects or as a mini bench power supply etc.

Kit supplied with PCB and all electronic components.

FAST NI-MH BATTERY CHARGER KIT

KC-5453 $25.00 plus postage & packing

A truly versatile charger, capable of handling up to 15 of the same type of Ni-MH or Ni-Cd cells. Build it to suit any size cells or cell capacity and set your own fast or trickle charge rate. It also has overcharge protection including temperature sensing. Ideal for R/C enthusiasts who burn through a lot of batteries. Kit includes PCB and all specified electronic components. Case, heatsink and battery holder not included.

LED BATTERY VOLTAGE INDICATOR KIT

KA-1778 $6.00 plus postage & packing

This tiny circuit measures just 25 x 25mm and will provide power indication and low voltage indication using a bi-color LED, and can be used in just about any piece of battery operated equipment. Current consumption is only 3mA at 6V and 8mA at 10V and the circuit is suitable for equipment powered from about 6-30VDC. With a simple circuit change, the bi-color