Hello, I have accidentally changed the fuse bit SUT_CKSEL of an Arduino mega 2560 from 'Ext. Crystal Osc. 8.0- MHz; Start-up time: 16K CK + 65ms' to 'Ext. Clock; Start-up time: 6 CK + 65ms'. The board has become unresponsive now. (I was programming through AVR ISP programmer, AVR Studio) I have tr…

Arduino 2560 fuse recovery

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