data capture methods

sensors

there are lots of sensors out there and they are smoke detectors, touch, light, heat, tilt and then a sensor detects something like smoke, heat, touch and they react and does stuff what its meant to do. some of these can be cost avective but some of then can not be a good avaiabity because it can be hard to fit them.

barcode reader

the barcode reader is cost avective and the data is not save because the data can be easy assecced by a barcode reader.