Open Source Point of Sale is a web-based point of sale system. The application is written in PHP, uses MySQL (or MariaDB) as the data storage back-end, and has a simple but intuitive user interface.

Nice table output of data rows Columns adjust to data size Data manipulators for fields, formats raw data to a nice display output Colors! When specifying a color, choose from these strings: blue, red ...

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Abstract: In this brief, a state-of-the-art source driver circuit is proposed for large-size organic light-emitting diode (OLED) display. The proposed source driver uses a three-stage digital to ...