[Lab] scale

[Peter Sjoberg]

On 31/01/17 06:13 PM, Darcy Whyte wrote:
> just a voltage
Given that the loadcell is resistive you could apply a voltage and check
that but unless the ADC is high res you probably need HX711 which is a
24Bit ADC specially designed for this purpose.
/ps

> 
> On Jan 31, 2017 3:12 PM, "Jason Cobill" <jason.cobill at gmail.com
> <mailto:jason.cobill at gmail.com>> wrote:
> 
> 
>        Cheap digital kitchen scales are well within your accuracy limit
>     - are you looking to read the weight as a voltage or as some kind of
>     serial data?
> 
>        -Jason
> 
>     On Tue, Jan 31, 2017 at 3:00 PM, Darcy Whyte
>     <darcy at inventorartist.com <mailto:darcy at inventorartist.com>> wrote:
> 
>         I need to build a scale.. anybody done this? Am I better to pull
>         sensors out of a cheap scale or get something?
> 
>         I'm going up to around 400g and need to differentiate about 5g...
> 
>         Any thoughts? Thanks in advance...
> 
> 
>         --
>         Darcy Whyte
> 
>         Art+ inventorArtist.com <http://inventorartist.com/> |
>         Aviation rubber-power.com <http://rubber-power.com/>
>         Contact: darcy at inventorArtist.com
>         <mailto:darcy at inventorArtist.com> | 613-563-3634
>         <tel:(613)%20563-3634> by appointment (no text)
> 
> 
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