This Topic is to cover the construction of an additional Interfacing System to be used as a substitute for the currently installed Pis when we implement the new type max - min float switch which is intended to trigger a GPIO line if the Butts Group is empty as well as full.
After I have completed the current batch of Gate Valves, I will build this Interface with additions to the design to include this new switch, Updated specifications and installation details will be generated and eventually posted to the Forum fileserver.
After this exercise is complete, there will be a requirement for a 1-off Interfacing System for the Lady Hanham Butts Group to cater for three Butts Groups instead of one. This will either be a complete redesign and build or a modification of the last Interface removed from the system. If the latter then one more Interfacing System will be needed eventually for the Gazebo Butts, if the the former, then this device will eventually become Gazebo Pi.
Additional Interfacing System Build
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