Digital Reader

This Digital Reader tutorial shows how to use a camera to read a digital device that may not have a computer interface. This is especially useful for older devices that do not provide an interface to modern computers but do have a human visual readout.

In this tutorial we use a regular air-condition sensor that one may find in any office or home. In the setup we use a DLink DCS900 camera mainly because it has an attachment that allows a large tripod to be connected to the camera and can transmit the image wirelessly to the base computer that is interpreting the image viewed.

First left us have a look at what the camera is seeing in order to begin our analysis ...