It features over 5,400 projects, ranging from simple tutorials — like using a soil moisture sensor with Arduino — to more complete guides like building a Bluetooth-controlled car.

Using an Arduino, a moisture sensor, an LED matrix, and a few other parts, dr.mcc's build monitors the moisture level in a pot of soil and then lets you know when the plant needs water by ...

This LoRa node used off-the-shelf components consisting of an ATmega328P-based Arduino Pro Mini ... as part of a discussion around all of the problems associated with standard soil moisture sensors.