Microcontroller: ATmega328 Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limit): 6-20V Digital I/O Pins: 14 PWM Digital I/O Pins: 6 Analog Input Pins: 6 DC Current per I/O Pin: 40 mA DC Current for 3.3V Pin: 50 mA Flash Memory: 32 KB Flash Memory for Bootloader: 0.5 KB SRAM: 2 KB EEPROM: 1 KB Clock Speed: 16 MHz Length: 68.6 mm Width: 53.4 mm Weight: 25 g
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