Makers, hobbyists and electronics enthusiasts looking for a new project to keep them busy, may be interested in this DIY self-watering planter aptly named Sprout, which has been created by Instructables member Jonathanrjpereira. The Sprout planter consists of an integrated 500ml water reservoir from which water is pumped into the plant’s soil when needed to keep it moist and hydrated.
The moisture sensor within the system is calibrated so that it periodically measures the moisture and regulates the water flow. Watch the demonstration video below to learn more about the excellent project which has been published on the Instructables website.
The project uses an Arduino Nano or Arduino Pro Mini development board which is connected to a DC water pump powered by either 12 or 9 V. A soil moisture sensor has also been attached with a few other components. The soil sensor feeds an analogue value to the Arduino board, and the threshold level of moisture is calibrated by the user depending on the type of plant that needs watering.
The self-watering planter can also be equipped with an optional Bluetooth connection that allows it to be controlled directly from your smartphone using an Android companion application. If you would like to build your very own self-watering planter, for full instructions jump over to the Instructables website via the link below.
Source: Adafruit : Instructables
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