I like your solution. At my house the dog barks until one of us notices, then we get up and open it. I suppose a robot with sound sensors, mobility and a grabber arm could be used too. But I like the simplicity of your system compared to that! :o
I like your solution. At my house the dog barks until one of us notices, then we get up and open it. I suppose a robot with sound sensors, mobility and a grabber arm could be used too. But I like the simplicity of your system compared to that! :o