ELEGOO Mega 2560 R3 Board, ATmega2560, USB Cable, Compatible with Arduino | Build Robots, 3D-printer Controllers and Multi-sensor Systems with 54 digital I/O, 16 Analog Inputs, 4 UARTs and USB-B cable

We have the manufacture factory, making productions and selling by ourselves. So we can control the quality of our productions by ourselves for you. We'd like to receive your valuable suggestions for our products and make your idea come true. This version is optimized in the original version , mainly for customers under the functional requirements for product quality and high case designed both to ensure consistent and compatible with the original, but also easy to use. Microcontroller: ATmega+2560R3 Compatible with Arduino IDE Operating Voltage: 5V Input: Voltage(recommended) : 7-12V Input Voltage (limits) : 6-20V Digital I/O Pins: 54 (of which 15 provide PWM output) Analog Input Pins: 16 DC Current per I/O Pin: 40 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 Package includes: 1 x Mega +2560 ATmega+2560-16AU Board (Arduino-compatible) 1 x USB cable