Nuts and Volts - November 2011

Number One Kits for Electronic Enthusiasts

KIT OF THE MONTH

SD/MMC Card Web Server Kit In a Box KC-5489 $65.00 plus postage & packing

Host your own website on a common SD/MMC card with this compact Web server In a Box (WIB). Connecting to the Internet via your modem/router, it features inbuilt HTTP server, FTP server, SMTP email client, dynamic DNS client, RS232 serial port, four digital outputs and four analoge inputs. Kit includes PCB, case and electronic components.

• Requires a SD memory card, some SMD soldering and a 6 - 9VDC adaptor • PCB Dimensions: 123 x 74mm

Work Bench Accessories PCB Holder with Magnifying Glass TH-1983 $8.25 plus postage & packing Any time you need that extra bit of help with your PCB assembly, this pair of helping hands will get you out of trouble. With a 90mm magnifying glass, it also provides an extra pair of eyes.

• Dimensions 78(L) x 98(W) x 145(H)mm

Desktop LED Magnifying Lamp
QM-3544 $31.25 plus
postage & packing
Ideal for assembling kits.
Sixty LEDs provide ample
illumination, and the 3x and 12x
magnifying lenses will show all the detail you
need. Being LED, there's no delay in startup
and they'll never need replacing.

• Dimensions: 320(H) x 95(Dia.)mm

12/24VDC 20A Motor Speed Controller Kit
KC-5502 $29.00 plus postage & packing
Control the speed of 12 or 24VDC motors from zero
to full power, up to 20A. Features optional soft
start, adjustable pulse frequency to reduce motor
noise, and low battery protection. The speed is set
using the onboard trimpot, or by using an external
potentiometer (available separately,
use RP-3510 $2.00).

• Kit supplied with PCB and all onboard electronic components • Suitable enclosure UB3 case, HB-6013 $2.50 sold separately • PCB: 106 x 60mm

Jacob's Ladder High Voltage Display Kit MK2

KC-5445 $31.00 plus postage & packing With this kit and the purchase of a 12V ignition coil (available from auto stores and parts recyclers), create an awesome rising ladder of noisy sparks that emits the distinct smell of ozone. This improved circuit is suited to modern high power ignition coils and will deliver a spectacular visual display.

Kit includes PCB, pre-cut wire/ladder and all electronic components.

• 12V automotive ignition coil and case not included • 12V car battery, 7Ah SLA or >5Amp DC power supply required and not included

Warning: The Jacob’s Ladder Kit uses potentially dangerous voltage.

Universal Power Supply Regulator Kit

KC-5501 $11.00 plus postage & packing

This is an upgraded version of the original universal power supply kit published in August 1988. One small board and a handful of parts will allow you to create either a regulated ±15V rail or +15VDC single voltage from a single winding or centre tap transformer (not included).

• Includes all PCB and components for board, transformer not included • PCB: 72 x 30mm

Ultrasonic Antifouling Kit for Boats

KC-5498 $179.50 plus postage & packing Marine growth electronic antifouling systems can cost thousands. This project uses the same ultrasonic waveforms and virtually identical ultrasonic transducers mounted in sturdy polyurethane housings. By building it yourself (which includes some potting) you save a fortune! Standard unit consists of control electronic kit and case, ultrasonic transducer, potting and gluing components and housings. The single transducer design of this kit is suitable for boats up to 10m (32ft); boats longer than about 14m will need two transducers and drivers. Basically all parts supplied in the project kit including wiring.

(Price includes epoxies).

• 12VDC • Suitable for power or sail • Could be powered by a solar panel/ wind generator • PCB: 78 x 104mm

Don’t just sit there BUILD SOMETHING!

"Minivox" Voice Operated Relay Kit

KC-5172 $11.50 plus postage & packing Voice operated relays are used for 'hands free' radio communications and some PA applications etc. Instead of pushing a button, this device is activated by the sound of a voice. This tiny kit fits in the tightest spaces and has almost no turn-on delay. 12VDC 35mA required.

• Kit is supplied with PCB electret mic, and all specified components.

• PCB: 47 x 44mm

Clifford The Cricket Kit

KC-5178 $12.50 plus postage & packing Clifford hides in the dark and chirps annoyingly until a light is turned on - just like a real cricket. Clifford is created on a small PCB, measuring just 40 x 35mm and has cute little LED insect eyes that flash as it sings. Just like a real cricket, it waits a few seconds after darkness until it begins chirping, and stops instantly when a light comes back on.

• PCB, piezo buzzer, LDR plus all electronic components supplied • PCB: 40 x 35mm

Short Circuits - Volume 1

This volume will teach you everything you need to get started in electronics and is suitable for ages 8+. We give you the option of buying the book on its own, or together with the accompanying kit that contains the components for each of the 20-odd projects described in the book. Some of the exciting projects include a Police Siren, Electronic Organ, Sound Effects Unit, Light Chaser and many, many more! The full color 96 page book, is lavishly illustrated with over 100 drawings and diagrams. No prior knowledge of electronics is needed, projects are fun and safe to build.