[image] o/s : windows7 board : arduino uno ( atmega328p-pu ) sparkfun electronics : learn diy ~ kit box sketch file : examples -> basics -> blink [image] [image] " can't open device ~ com4 ~ " messsage means, I thought windows7 driver, so I tried applied FTDI, CH341, ATMEGA328P DRIVER, CDM,…

problem uploading to board error

dototi April 17, 2019, 8:56am 4

I have already tried many times. on / off

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