My problem: I have a circuit which uses an atmega328 which is connected only to the quartz and few other components. Is it possible to program it without ICSP using the serial connection simply connecting the 2 serial pins of an arduino 2009 board to the pin on the circuit? The 2 microcontrollers s…

Program Atmega328 with bootloader already loaded

Grumpy_Mike June 16, 2010, 6:10pm 5

Make a programming header with the TX, RX, Reset, power and ground, just like this project:-
http://www.thebox.myzen.co.uk/Hardware/MIDI_Footsteps.html

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