With an Arduino, you can build a system that will automatically water your plants when needed. That means no more over-watering or letting that Monstera get a little too crispy. All it requires is a ...

Like the original, this project drops water past strobing RGB ... The ’85 used the diode and PWM to control the pump motor speed and communicated to the Arduino over I2C. The video shown below ...

A 3D printed nozzle in the center of this apparatus is attached to a 12 V water pump and the whole thing is controlled by an Arduino running 30 seconds on and 3 minutes off to conserve battery power.