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An Arduino board based on the ATmega32u4 chip with built in USB HID functionality

2
votes
The Arduino has no access to the file system on a PC. All it has is a serial connection with which it can communicate with some program running on the PC. The code that is handling the PC's file syst …
answered Nov 3 '18 by Delta_G
6
votes
All of those "A1" "A2" pins have other numbers that go with them. The A1 or A2 is #defined in the core to be some number. You can just use A1 or A2 and it will work. For example, try this line and …
answered Oct 20 '18 by Delta_G