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Arduino MEGA 2560 CH340
Microcontroller: ATmega2560
Operating Voltage: 5VDC
Input Voltage (recommended): 7-12V through DC jack
Input Voltage (limits): 6-20V through DC jack
Digital I/O Pins: 54 (of which 14 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 the bootloader
SRAM: 8 KB
EEPROM: 4 KB
Clock Speed: 16 MHz
CH340 as USB to UART IC
USB B type socket for USB power and interface
Arduino Nano
- Microcontroller: ATmega328P ? 8-bit AVR family microcontroller
- Operating Voltage: 5V
- Recommended Input Voltage for Vin pin: 7-12V
- Analog Input Pins: 6 (A0 ? A5)
- Digital I/O Pins: 14 (Out of which 6 provide PWM output)
- DC Current on I/O Pins: 40 mA
- DC Current on 3.3V Pin: 50 mA
- Flash Memory: 32 KB (2 KB is used for Bootloader)
- SRAM: 2 KB
- EEPROM: 1 KB
- Frequency: 16 MHz
- Communication: IIC, SPI, USART
Arduino Pro Mini 328 5V/16MHz
Arduino UNO R3
"Uno" means one in Italian and was chosen to mark the release of Arduino Software (IDE) 1.0. The Uno board and version 1.0 of Arduino Software (IDE) were the reference versions of Arduino, now evolved to newer releases. The Uno board is the first in a series of USB Arduino boards, and the reference model for the Arduino platform; for an extensive list of current, past or outdated boards see the Arduino index of boards.
