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Atmega328P/Atmega328. What’s the difference?

I never really paid much attention to the crazy naming of the Atmega chips. Yesterday i was on mouser trying to buy some atmega328 when i came across Atmega328 which cost $2.82 each and the Atmega328P which cost $3.50 each.

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Anatomy of AVR hex file

The eventual output of any AVR compiler like Arduino, GCC, AVR studio is an ‘Intel Hex file’ that gets loaded into the AVR flash memory by the ISP tool. So understanding this hex file is good if you are trying

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Burning the Optiboot Arduino bootloader into the Atmega328p

I have some arduino boards (all of them are the RBBB ones from moderndevice & Jeelabs). But rather than buying the kits with the atmega programmed with the arduino firmware, i just bought the boards and populated them. Then came

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