On Thursday, 4 May 2017 17:26:41 BST Ralph Corderoy wrote:
> If the control logic looks like being at all complex you'll probably
> want to simulate the system all in software; your control logic versus
> random events/you acting as the gods. When I was writing Python, I used
> its TkInter GUI li
Hi Terry,
> Part of the control system will include varying the amount of water
> pumped from the sump to the bog garden
...
> we need to know the level of water and the flow at various points
> around the system.
If the control logic looks like being at all complex you'll probably
want to simula
On Thursday, 4 May 2017 16:52:49 BST Ralph Corderoy wrote:
> Does the sump at the bottom of the river have the capacity to cope with
> no power for the pump that takes the water back uphill? Perhaps it
> overflows into a drain? If not, I guess the pump runs continously or
> the river flow is shut
Hi Terry,
> However, once the rainwater collection scheme is in place with five or
> more water butts to store the water, then the risk of floods will be
> increased after periods of heavy rainfall. In the end, the monitoring
> and control is more about that scenario than the present one.
Does t
On Thursday, 4 May 2017 16:20:48 BST Patrick Wigmore wrote:
> I must admit, it surprises me that the river system is so
> sensitive to the weather conditions. I would have expected there
> to exist a constant pumping rate that would maintain the river
> between sensible high and low levels except i
On Thursday, 4 May 2017, at 11:29:27 BST, Terry Coles wrote:
> Since the system will be running largely unattended 24/7, we
> want to be able to predict the onset of a flood or drought in
> the river. To do that we need to measure the actual depth so
> we can determine the rate of change.
I must
On Wednesday, 3 May 2017 18:15:34 BST Andrew wrote:
> In case you didn't already know, 'digital' versions of these are
> available quite easily and probably cheap, or free. They are used in
> most if not all washing machines and dish washers. The one I've looked
> at recently has a screw for pressu
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