I haven't done much with the flask stuff yet, due to 'one damn thing after
another' on the home front. The web updater for the Audio Guide / Quiz was
always a 'Desirable' rather than 'Essential' feature, so I'm focusing on fixing
the blocked drain, broken tumble drier, central heating always on
Hi Terry,
On Thursday, 22 June 2017, at 13:23:35 BST, Ralph Corderoy wrote:
> That's sounding as if you'd have a database server sitting on
> the network with all the slave and the master being its
> clients, sending SQL to modify tables. And if the slaves are
> writing to the tables, and the mas
On Thursday, 22 June 2017 13:23:35 BST Ralph Corderoy wrote:
> I'm assuming that minimising power consumption won't be an issue either
> way.
Obviously we won't want to install a heavier sub-station for the WMT, but no;
we have no known issues with power ATM :-)
> I'm guessing slave Pis will onl
Hi Terry,
> The control system will be a distributed network of Raspberry Pis,
> interconnected by Ethernet cable (we are trialling Power over Ethernet
> to see if we can power the remote devices without needing mains local
> to them).
I'm assuming that minimising power consumption won't be an is
Hi Terry
On 22/06/17 12:25, Terry Coles wrote:
On Thursday, 22 June 2017 12:17:56 BST Terry Coles wrote:
I'm not sure that I understand how this works. Taking the Remote Pi; it
reads the water level and writes the value to a variable. Fine so far, but
how can the Master Pi, then read that var
On Thursday, 22 June 2017 12:17:56 BST Terry Coles wrote:
> I'm not sure that I understand how this works. Taking the Remote Pi; it
> reads the water level and writes the value to a variable. Fine so far, but
> how can the Master Pi, then read that variable? That variable is a
> location in the
On Thursday, 22 June 2017 12:12:29 BST t...@ls83.eclipse.co.uk wrote:
> Using a database to deal with concurrent reads and writes is a bit of
> overkill. These are only an issue if you have multiple threads running
> on the master AND reads and writes are not atomic. Using variables equal
> to or l
Hi Terry
On 22/06/17 11:54, Terry Coles wrote:
Hi,
(Yet Another Wimborne Model Town Question) :-)
The system design for the WMT River System Water Sustainability Programme
(that really is its name) is progressing slowly and we have tentatively agreed
on a number of things.
The control system
Hi,
(Yet Another Wimborne Model Town Question) :-)
The system design for the WMT River System Water Sustainability Programme
(that really is its name) is progressing slowly and we have tentatively agreed
on a number of things.
The control system will be a distributed network of Raspberry Pis,
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