Hello, Just out of curiosity, what does the 100 nF cap un reset do? It is there on the DTR pin going to reset from the USB-Serial converter, but not on the ISP reset... I tried and without it i get the error : "avrdude: stk500_getsync(): not in sync: resp=0x00" Thanks, Al

100 nF capacitor on RESET pin

BrianLarry October 8, 2016, 11:57am 7

Why I use 100 nf, mark 104 capacitor but fail in use TTL , and change it to 1 nf (102) it just can upload code,what wrong ?

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