Led sensor

The page features a LED matrix being used as a multi-touch input but offers very little. I did learn how to use LEDs as light sensors. You might know that a LED emits light when you put the right amount of volts on.

When you darken the sensor le for instance by covering it with your han it. Oca 20- This can pose a problem for outdoor sensors. One solution is to mount a temperature sensor close to the LED so a correction signal can be . Find great deals on eBay for LED Sensor Light in Garden Floodlights and Security Lights.

There is a newer model of this iteADX Wireless Motion Sensor LED Light, Security or Night Light (Size: x 3), 6-Pack $42. This capability may be used in a variety of applications . This example shows one way of using an LED as a light sensor. I show you how to use an LED as a light sensor, Any LED will work for this, not just IR but it will have it's.

A brief tutorial on how an LED can be used as a Light Sensor, or Photodiode.