Self-watering planters are low-maintenance, and common DIY projects. What we like most about [Tommy]’s design is that it reuses empty jars to create self-watering planters. After all ...

[Renzo Mischianti]’s friend has to keep a water tank topped up ... it has to be low-power and self-sufficient. To help with that, [Renzo] is working on a self-contained automation project ...