pH CIRCUIT FOR ARDUINO
www.Atlas-scientific.com pH probe Required, NOT included. The pH Circuit is a highly compact pH monitoring system that fits into any breadboard. This design configuration allows the user to accurately monitor pH without having to add any additional circuitry or components to your design. Communication with the pH-Stamp is done using only 11 simple commands. The pH-Stamp provides scientific grade readings to any embedded system that has an RS232 connection interface (voltage swing 0-VCC, not +/- 12 volts).