The microcontroller-based concept was chosen because I wanted to scale the sensor system later to suit other applications. Here is the diagram of my Arduino infrared close ... receiver IR1 is only ...

This is a simple arduino project for a soil moisture sensor that will ... at which it starts to light. Measure the potentiomenter current value and replace it with a fixed resistor. I love all about ...

A simple way to think of the sensor is a switch; the diagram ... PIR Pin “out” connects to Arduino Digital 2 Here is the Arduino code for the Parallax sensor int motion_1 = 2; int light ...