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I have just moved into a house with a spa style bath, however the diverter on the bath that controls the water flow to the bath or the hand held shower is leaking. The leak is coming out of the top of the diverter where the control is (see first picture, the water is coming from the base of the...

Looks great! Can I just ask what you use 4 Galaxy alarm panels for, is it all alarm and if so would it not be better to have rio's (remote input output). I am starting out on a similar project in a good sized house and would love to know more.

Just to put your mind at ease, it is currently 100% DIY at the moment with a distant hope of the possibility that one day it could become a commercial product with plenty of professional help and testing. Also I don't want to break too many regulations or put anyone in any danger.

Thank you so much for all of your help. I have been following this discussion and I am considering one of the following design changes in the circuit as well as moving over to Philips Hue and LivingWhite smart bulbs: because of the smart bulb, the circuit would be on all of the time, would this...

I have made a small test circuit powered by a 2600mAh rechargable battery pack which lasted just over 24 hours. The coding is far from perfect at the moment so with sleep modes could probably get 2-3 days out of it. This means that battery power is not an option as I do not want to be changing...

Thank you all so much for your feedback. I am aware that there are limitations with this method and the type of light bulbs that can be used, the LightwaveRF version only uses dimmable bulbs. I would like to know the best components to use for this and the best way to connect them and take...

After a quick internet search it seems I was way out with the current. It seems to be up to 50mA and I am not against redesigning the controller to a lower power version.

Just to add 3.3 volts would be enough for the low power side and I will look into the current requirements.

Thank you for taking time to reply. Just to clarify I am not sure what the current draw would be and I would be keeping it as simple and as low as possible. I know the units can be battery powered easily but I am looking for a solution that can be installed and not maintained. I am aware...

I am trying to find a way to power an Arduino and RF transceiver behind a UK light switch which just has the live and switched live present. This will run on 5v and 500mA and it would be in series with the light. I know this is possible as LightwaveRF light switches draw some power from the...