If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED ... the module is linked to the 5V line of the ...

[Gord Payne] has one with an elegant sensor ... reaching the LDR from the LED decreases as the pipe is bent, and with a simple divider circuit a voltage can be read by an Arduino.

The Pressure Sensor Module incorporates ... block for a future project using the Velostat or the RGB LED. It will also prepare the user on how to successfully hook the Velostat up to an Arduino and ...