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This is only a preview of the January 2008 issue of Silicon Chip. You can view 33 of the 104 pages in the full issue, including the advertisments. For full access, purchase the issue for $10.00 or subscribe for access to the latest issues. Items relevant to "PIC-Controlled Swimming Pool Alarm":
Articles in this series:
Items relevant to "The Minispot 455kHz Modulated Oscillator":
Items relevant to "Water Tank Level Meter, Pt.3: The Base Station":
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Contents
Vol.21, No.1; January 2008
SILICON
CHIP
www.siliconchip.com.au
Features
10 Review: Denon DCD-700AE Compact Disk Player
Looking for a CD player with superlative performance? The Denon DCD700AE delivers the goods – by Leo Simpson
28 PICAXE VSM: The PICAXE Circuit Simulator!
Ever wondered whether your latest brilliant PICAXE project idea would
actually work? Now you can find out before you build it, with the new PICAXE
circuit simulator software – by Clive Seager
PIC-Controlled Swimming Pool
Alarm – Page 14.
Pro jects To Build
14 PIC-Controlled Swimming Pool Alarm
Reduce the possibility of a drowning in your swimming pool with this “smart”
Pool Alarm. If someone falls in, a loud siren sounds – by John Clarke
32 Emergency 12V Lighting Controller
This easy-to-build project automatically turns on 12V emergency lights within
a second or two of a mains power failure – by Jim Rowe
58 Build The “Aussie-3” Valve AM Radio
So you thought valve technology was dead? It is – but we have exhumed
enough of it to produce a unique 3-valve radio – by Keith Walters
Emergency Lighting
Controller – Page 32.
72 The Minispot 455kHz Modulated Oscillator
Build this simple circuit and use it to align the intermediate frequency (IF)
stages of any AM broadcast or shortwave radio – by Mauro Grassi
80 Water Tank Level Meter, Pt.3: The Base Station
Designed for use with up to 10 Water Tank Level Meters, this Base Station
lets you monitor water levels inside your home. Also included is an option for
electric pump control – by John Clarke
89 Improving The Water Tank Level Meter Pressure Sensor
Here’s a few tips on improving the in-tank set-up plus an improved method for
mounting the pressure sensor externally – by John Clarke
Special Columns
40 Circuit Notebook
(1) Nicad Cell Discharger; (2) CFL Inverter With Overload Protection; (3) Spa
Heater Control
Build The “Aussie-3”
Valve AM Radio – Page 58.
44 Serviceman’s Log
Tinker, tailor, espresso machine fixer – by the TV Serviceman
92 Vintage Radio
The simple Aristone M1 4-valve mantel receiver – by Rodney Champness
Departments
2 Publisher’s Letter
4 Mailbag
57 Order Form
siliconchip.com.au
97 Ask Silicon Chip
100 Notes & Errata
101 Market Centre
Water Tank
Level Meter Base
Station – Page 80.
January
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