#214

Описание: Using a battery for an outdoor project without it running down in a few hours or days?
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Let's just go through a few options for my outdoor, battery-controlled project. Although I have a specific use in mind, this could apply to any number of projects that have a mechanism to switch a signal line to ground: burglar alarm pad, PIR detector, push switch... and plenty of others, I'm sure.

We need the following:

1) Battery power, so the device must switch off, whenever possible
2) Monitor the battery voltage so we know when we must change (or charge) the battery
3) Provide the correct voltage to each part of the system
4) Send a wireless signal to a receiver within a few meters
5) Work reliably with no false triggering

Watch video and see the options available to us - and how easy it is to do each part. I'm not providing any code right now as it will change considerably over the forthcoming weeks.

List of all my videos
(Special thanks to Michael Kurt Vogel for compiling this)
http://bit.ly/YouTubeVideoList-RalphB...

Roger Meier has released version 1.9.0 of his excelled CoolTerm.
I'll talk about the new features in a future video but in the meantime have a look at it:
http://freeware.the-meiers.org/
Remember this is freeware, but if you do find it useful a fiver or any amount donated will ensure the long term longevity of this product. No, this is not an affiliate link!

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