Keyestudio Mega 2560 R3 is a microcontroller board based on the ATMEGA2560-16AU , fully compatible with ARDUINO MEGA 2560 REV3
It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, 2 ICSP headers, and a reset button.
It contains everything needed to support the microcontroller. With its bootloader, program can be downloaded directly with USB and you don’t need to use other external programmer.
Just simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
The Mega 2560 board is compatible with most shields designed for the Uno.
The 2560 R3 differs from all preceding boards in that it does not use the FTDI USB-to-serial driver chip. Instead, it features the Atmega16U2 programmed as a USB-to-serial converter.
The MEGA 2560 is designed for more complex projects. With 54 digital I/O pins, 16 analog inputs and a larger space for your sketch, it is the recommended board for 3D printers and robotics projects. This gives your projects plenty of room and opportunities.
Wiki link://fs.keyestudio.com/KS5014
Keyestudio 2560 WIFI PLUS Main Control Board adopts two MCU including ATmega 2560 and esp8266, containing all functions of Arduino Mega 2560and ESP8266 development board.
The two MCU combination is suitable for the development of the Internet of Things, networking functions, and independent wireless network construction.The download function of the serial port is controlled by the toggle switch, and the codes of the two MCU can be burned separately by using a USB interface so that two development boards can be used alone or combined. It is very convenient when using.










Wiki link: //fs.keyestudio.com/KS0498











Wiki link: //fs.keyestudio.com/KS0499
Introduction:
KEYESTUIDO Mega 2560 plus Board, whose processor core is ATMEGA2560-16AU, is fully compatible with ARDUINO MEGA 2560 REV3. USB to TTL chip adopts more economic and stable CP2012. This plus board consists of 54-channel digital input and output ports, of which 15 pins are served as PWM output, 16 analog inputs, 4 serial communication ports, one 16MHz crystal oscillator, 1 USB port, 1 power socket, 1 ICSP interface and 1 reset button.
Wiki link: //fs.keyestudio.com/KS0502
Introduction:
The mega 2560 control board, among the series of MCUs , is the most popular since it has numerous pins. However, a substantial of pins don’t meet the space demand of DIY design. To tackle this issue, we roll out the Keyestudio MEGA 2560 PRO development board. In fact, its use method is as same as the official mega board, in addition to the different volume.
Its processor core is ATMEGA2560-16AU. In the meantime, it has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 channel serial communication ports, a USB connection, 1 ICSP header, and a reset button. And all ports are extended by pins with the interval of 2.54mm. What’s more, you can burn the firmware for ATMEGA2560-16AU through the built-in ICSP port. Luckily, the firmware of this chip is burnt well before delivery, therefore, you don’t need to burn firmware.
The power can be supplied through USB cable, port 5V, GND(DC 5V), as well as Vin GND(DC 7-12V).

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