The bootloader looks for byte in eeprom at address 0x1FF: -if it is set to 0xF0 bootloader will look for a bin file on the sdcard named firmware.bin and use it to flash the firmware then reset the ...

ATMEGA CPU for Arduino has one drawback in hardware specification. That is, data memory(RAM) is not enough. Due to CPU architecture, constant data array will consume RAM memory if you want to direct ...

It’s a significant update. The Arduino UNO and Arduino Mega 2560 update the Duemilanove and Mega respectively. They now use an ATMega8U2 instead of an FTDI USB to serial converter chip.

[jelengar] liked the ease of use of the Arduino, but wanted a much higher pin count. He set about converting the ATmega Controller for use with Wiring, the code that the Arduino IDE is based on.