There are many references in various electronic journals, design, or D-I-Y magazines to devices, which deliver water to plants based on monitoring the dryness of the surrounding soil. All of them are electronic circuits, which require power for monitoring and power for the valve that delivers the water. The power has to be low voltage and available at the plant being watered. The idea proposed now is to develop a non-electrical direct acting automatic irrigator, which can be...

Have you ever just put your washing out and then it starts to rain? When you are going off to work the sky looks good but you never know? Washing line throws for rotary washing lines... Simply made of plastic with a hole in the middle and strategic eyelets to secure it. Takes a second to put on but saves all that unecessary taking in the washing for a short rain shower and give those who go to work peace of mind their washing will be dry on their return.