DISSOLVED OXYGEN SENSOR KIT- D.O. KIT FOR ARDUINO
www.Atlas-scientific.com  The D.O.-Stamp is a highly compact D.O. monitoring system that fits into any breadboard. This design configuration allows the user to accurately monitor D.O. without having to add any additional circuitry or components to your design. Communication with the D.O.-Stamp is done using only eight simple commands. The D.O.-Stamp provides scientific grade readings to any embedded system that has an RS232 connection interface.