Technical specification of Mega2560 R3 mainboard ATMEGA16U2-MU: 

1. Material: PCB board

2. Controller: ATmega2560
3. Working voltage: 5V
4. Input voltage: 7~12V
5. Voltage range: 6~20V
6. Digital ports: 54 (15 PWM output ports)
7. Analog ports: 16
8. IO port output current: 40mA
9. 3.3V power supply output current: 50mA
10. Flash: 256 KB of which 8 KB used by boot loaded
11. SRAM: 8KB
12. EEPROM: 4KB
13. Crystal: 16MHz

This board is very common used together with RAMPS 1.4 board, stpper driver and LCD for RepRap 3d printer.

Shenzhen Cashmeral Industrial Co.,ltd deal in 3d printer, 3d printing filament, ABS filament, PLA filament, flexible filament, carbon fiber filament, T-PLA filament, H-PA filament, PA filament, L-PA filament, PVA filament, POM filament, HIPS filament, PETG filament, PC filament, PP-PE filament, wood filament, bamboo filament, P-Glass filament, T-ABS filament, metal-PLA filament, flame retardant filament, polymer composite filament, RAMPS1.4 controller, MEGA2560 controller, Melzi 1284P filament, NEMA17 stepper motor, A4988 stepper driver, MK2 PCB heated bed, MK3 aluminium heated bed, borosilicate heated bed, E3D hotend, j-head hotend, nozzle, heating block, heat cartridge, thermistor, timing belt, timing belt pulley, bearing, spring, lead screw. 

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