Coffee can planters --cheap idea for planters. Similar to the one where you screw a coffee can to a post to keep your garden trowel and gloves in and then put the plastic lid on to keep them clean and dry
Pallet Planter with Terracotta Pots . with some hose clamps and screws to secure the pots, this old pallet has been upcycled into a feature vertical garden. For more inspiration, see 20 Creative Ways to Upcycle Pallets in Your Garden
We've seen a lot of DIY home automation projects over the years, but Instructables user electronichamsters shows off one of the most complete systems we've seen yet. With it, you'll be able to monitor just about everything in your house.