Research Article
Low-Cost SCADA System Using Arduino and Reliance SCADA for a Stand-Alone Photovoltaic System
Table 1
Specifications of Arduino board.
| Specifications |
| Microcontroller | ATmega328 | Operating voltage | 5 V | Input voltage | 7–12 V | Input voltage (limits) | 6–20 V | Digital I/O pins | 14 (6 PWM outputs) | Analog input pins | 6 | DC current per I/O pin | 40 mA | DC current for 3.3 V pin | 50 mA | Flash memory | 32 KB (ATmega328) | SRAM | 2 KB (ATmega328) | EEPROM | 1 KB (ATmega328) | Clock speed | 16 MHz |
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