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electronic:boards:arduino:megaclone2 [2026/10/28 05:14] – tonyelectronic:boards:arduino:megaclone2 [2026/10/28 07:45] (current) – tony
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 ===== Overview ===== ===== Overview =====
 +This is a budget, no-name, Arduino Mega R3 clone with a CH340G used as the USB-to-serial interface, rather than the ATmega16U2 used in the genuine Arduino Mega R3.  Based around the 16MHz ATmega2560, it is a functionally identical clone of the open source Arduino Mega.
 +
 +It can use most Uno shields, but some may require additional wiring or configuration adjustments due to differences in pin layouts and communication protocols. The Mega has fifty four digital I/O pins and sixteen analog inputs compared to the Uno's fourteen digital I/O pins and 6 analog inputs. It also has much larger memory - 256kB flash memory for the Mega compared to 32kB for the Uno. So in short, a mega version of the Uno. 
  
 ===== Features  ===== ===== Features  =====
-  *+  * Microcontroller: ATmega2560 
 +  * Clock Speed: 16 MHz 
 +  * Operating Voltage: 5V 
 +  * Input Voltage: 7-12V 
 +  * 3.3V Power Out: up to 50 mA 
 +  * 5V Power Out: up to 800 mA 
 +  * Digital I/O Pins: 54 (15 support PWM output) 
 +  * Analog Input Pins: 16 (with 10-bit resolution) 
 +  * Flash Memory: 256kB (8kB used by bootloader) 
 +  * SRAM: 8 kB 
 +  * EEPROM: 4 kB 
 +  * Serial I/O: 4 UARTs, one SPI and one I2C interface
  
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 ====== References and Additional Resources ====== ====== References and Additional Resources ======
-  *+  * [[https://www.wch-ic.com/downloads/CH341SER_ZIP.html|Manufacturers website page for CH340G drivers]] 
 +  * {{https://docs.arduino.cc/resources/datasheets/A000067-datasheet.pdf|Mega2560 manual}} 
 +  * {{https://docs.arduino.cc/resources/pinouts/A000067-full-pinout.pdf|Mega2560 pinout details (official)}} 
 +  * {{https://content.arduino.cc/assets/MEGA2560_Rev3e_sch.pdf|Mega2560 schematic}}
  
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electronic/boards/arduino/megaclone2.1793164495.txt.gz · Last modified: 2026/10/28 05:14 by tony
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