Interesting topic! We have our Sangamo solar dial 54deg model controlling an ESLA on the front of our shed, but also separately switched by a SELC photocell on top of our nearby Simplex Diadem 125W MBFU. This means that in the depths of winter, the timeswitch takes precedence, and switches on after the photocell has decided it is dark, but the timeswitch is then also set to switch off at 11pm.
In the summer, the photocell tends to dominate, as the solar dial is switching at around 21.30 when it is still light - and so the photocell prevents the light coming on until the Lux level has dropped.
I'm tempted to source a Raspberry pi now... :mrgreen:Hi Doive,
Sounds like you have a nice setup there.
You should get a raspberry pi they are great and quite cheap. It would be quite interesting for you to take both switches into the unit and Log the on/off times of both switches. You could gather the data for a year then plot the two switches against each other.
Regards,
Andrew.