 
                                        3D Printer Mega 2560 R3 Board for UNO R3 + USB Cable for Arduino
                                                $12.90
                    
                    
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                            Mega 2560 R3 Board + USB Cable compatible for UNO R3 Microcontroller: ATmega2560 Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limit): 6-20V Digital I/O Pins: 54 (of which 15 provide PWM output) Analog Input Pins: 16 DC Current per I/O Pin: 20 mA DC Current for 3.3V Pin: 50 mA Flash Memory: 256 KB of which 8 KB used by bootloader SRAM: 8 KB EEPROM: 4 KB Clock Speed: 16 MHz LED_BUILTIN: 13 Length: 101.52 mm Width: 53.3 mm Weight: 37 g
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