What’s inside one of those omni-directional laser barcode scanners you use at the supermarket, and how does it work? Motorola / Symbol LS9208 Datasheets: Reflective Interrupter Forum: EEVblog Main Web …
Small hiccups on the road of life sometimes lead to history-making innovations. So goes the tale of the IBM employee, Joseph Woodland, who created the humble Universal Product Code, also …