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Re: Timer problems
On Monday, November 23, 1998 1:23 PM, Stuart Johnson
[SMTP:sjohnson@xxxxxxx] wrote:
>
> Thanks Nigel/Keith,
>
> The Solid State Relays look cool, especially since they have zero volt
phase
> switching. Considerably more expensive once you add a power supply
&
> heatsink though. :-(
>
> Food for thought anyway. Ta.
>
> Stuart.
>
Hi Stuart,
Any large lump of metal will do as a heatsink, as to the power supply any
plug top PSU will be suitable. You must have one laying around
somewhere....
if not the check out some of the High Street Discount shops, they usually
have
unregulated 300mA supplies for around four pounds.
Keith
Keith Doxey
http://www.btinternet.com/~krazy.keith
Krazy Keith's World of DIY Home Automation
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