Here is the diagram of my Arduino infrared close proximity sensor. As you can see, ... the D13 signal output pin (TP4), which is logic-low (L) by default, ... Using pulsed light enables the sensor to ...

Wire up this Arduino-based sensor and save them. Search. Pop Mech Pro; ... Adding a photoresistor (light sensor) ... and the other to ground through a 10kΩ resistor and to Arduino's analog pin A0.

Most ambient lights and sensors are designed to generate light to even out the picture on the front of the panel and reduce any light bleed from the back of an LCD display. This Arduino-powered ...

This is a simple arduino project for a soil moisture sensor that will light up a LED at a certain moisture level. It uses Arduino Duemilanove microcontroller board. Two wires placed in the soil pot ...