:: Re: [DNG] Fwd: Information request …
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Autor: jeremy ardley
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A: dng
Assumpte: Re: [DNG] Fwd: Information request (maybe OT - - - dunno)

On 13/5/23 22:21, o1bigtenor via Dng wrote:
> Hmmmmmmm - - - not sure - - - -thinking maybe RS-485? (haven't
> finalized any of this thinking yet!)

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You have multiple serial options including wireless links.

- RS-485 ~ 100m
- SPI ~ 10m
- I2C ~ 3m
- 1-wire ~ 30-50m
- bluetooth ~ 3-5m
- wifi ~ 20-50m
- Zigbee 10-100m

Your issues will include power reticulation.
PoE over CAT-5 can deliver 5V or 12V to multiple remote locations. Other
options include solar and battery

If you standardise on CAT-5 then you can run most protocols and power in
1 cable.


Jeremy