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Topic: [solved] Trouble programming pro mini 328 5v via FTDI (Read 86 times) previous topic - next topic


Oct 15, 2014, 09:53 pm Last Edit: Oct 15, 2014, 11:00 pm by janejr11 Reason: 1
I have been trying to program my new pro mini 328 5v version with an FTDI breakout but can't get it to work. I have wired the boards according to the image below (should be correct according to my googling). Whenever I try to upload and replace the functional blink program, the pro mini stops the blink program for a moment, blinks twice, but quickly returns to its blink sketch then the TX led on the FTDI board blinks three times. If anybody can shed some light onto what I'm doing wrong I would greatly appreciate it!


Update: I'm an idiot and was selecting the arduino mini not the pro mini on my IDE. It is now working


Hi janejr11

Try also connecting the CTS on the FTDI to GND. 


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