I rewired the paths MISO and MOSI from the 6 pin connector to the ZIF (pins 17 and 18).

It's so much easier with that ZIF and you don't need to build the circuit on the breadboard every time, I can recommend it to everybody and it costs l...

Hi everybody, thanks for all your suggestions, I got it finally working. @Zander, things were working using the breadboard, what confirmed that I wa...

@zander thanks, I'll check this out and I'll try it without the shield.

@zander Yes, I've seen that video from Bill. It was this video that gave me the idea to start working with the 328p directly. As Bill mentioned that i...

@will Yes, I've tried them both and they have both the hearbeat led blinking once uploaded.