Home › Magazines › 2008 › July/August › Underwater Magic

Underwater Magic

Published in issue 379, July/August 2008

The author of this project took it into his head to give a festive look to his swimming pool as cheaply as possible. The use of a ready-made PC PSU module to supply the power makes it possible to reduce the overall cost of this project very significantly.

Components

Relevant websites

Free downloads

Resistors
R1-R30 = 6Ohm8/3 W
Capacitors
C1 = 10nF
C2 = 1000 µF 16V radial
Semiconductors
D1 = 1N4004
LED1 - LED10 = Golden Dragon blue LB-W5KM-EZGY-35 from OSRAM
LED11 - LED20 = Golden Dragon green LT-W5KM-HZKX-25 from OSRAM
LED21 - LED30 = Golden Dragon red LR-W5KM-HXJX-1 from OSRAM
T1 à T3 = IRFI540NPBF, isolated
IC1 = AT90S8515P, Atmel, programmed with hex file from archive 071037-11.
Miscellaneous
K1 = 2 solder pins
K2 = 10-way DIL (2x5) pinheader
Heatsink for the 3 transistors (optional)
PC power supply
PCBs, ref 071037-1 (controller) and 071037-2 (LED) available from thepcbshop.com

Click below to download a PDF copy of this article from Elektor magazine.

	Downloads
	Article PDF
	10 Elektor Credits
	PCB PDF
	Free download
	Order from Elektor
	Programmed controller AT90S8515P
	071037-41 (USD 24.10)
	PCB, bare (071037-1)
	071037-1
	PCB, bare (071037-2)
	071037-2
	Free downloads
	Software Free download

Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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Underwater Magic

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Underwater Magic

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