wopo posted an update 4 years, 3 months ago
At least I bought the MayFly Datalogger via ebay. The problem is, that there seems to be no bootloader burnt in. I get the message: “avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x30” or similar.
Please give me a hint to overcome this problem.
Best Regards Wopo