From the expert: How to save energy and money this winter

How to save energy - Adice for Guesthouses

As a professional electrical engineer I so often find myself frustrated with articles that give advice on how to save energy. Three important pieces of information that will make a difference are always left out, and even big players like Eskom miss the pot most of the time. The questions always looming after reading these articles are:

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Self Catering Guesthouse Automation – Arduino

I am an electrical engineer and I have developed a solution to remotely control electrical circuits at our self catering guesthouse, Umoya Cottages in Port Elizabeth. Even when we are not at home, we can securely log in over the internet to switch on lights, geysers and even open the motor gate. In combination with the CCTV over the parking lot, I can for example open the gate for a guest and switch on the external lights, even if I am overseas. All I require is an internet connection and it is as good as if I am back home. And the best part, the whole setup cost me less than R1500 ($130).

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