[Lab] Help finding a timer to control memory wire

Jaime Yu jaime.yu at gmail.com
Thu Mar 26 10:02:09 EDT 2015

Have you looked at using a crystal oscillator instead of the 555? Will
probably be more stable than a 555 over time and temperature ranges.

What is the frequency you are looking for?

Jaime Yu
B.Eng in Computer Engineering, System Hardware
Kernel Software Engineer at Juniper Networks

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On Mar 25, 2015 2:19 PM, "Molly Mask" <molly.emask at gmail.com> wrote:

> Hi, I'm a part of an electronic media art class at Uottawa and I'm working
> on a project right now that involves memory wire. I'm looking for a fairly
> compact/simple way to control a power source to the wire without the use of
> an arduino. I've looked into using a battery power source for the voltage I
> need to activate the wire, but what I need is a timer solution that will
> allow me to control the activation of the wire to allow it to grow and
> contract and to not burn the wire out. So far I have looked at using a time
> delay relay and a 555timer. The 555timer seems most promising-- Is there
> anything else I should be aware of or look into before going down this
> route?
> Thanks
> Molly
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