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I receive this message: "device signature 0x000000" when a try to burn the bootloader on a atmega328p-au (SMD) inserted on PCB i am using arduino uno as isp i already uploaded the ArduinoISP sketch and i check "Arduino as ISP" as programmer with "arduino nano" as board

i do not know what is the problem i tried to check the ISP wiring with the arduino uno and everything is alright what i noticed is that when i remove the GND wire attached to ISP the pin13 of the arduino lights up when i connect it it lights off i do not know what to do here is the full schematic enter image description here

Thank you for helping me

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  • Not necessary related, but what the D4 for? it make your 7805 ground 0.6v higher than the ground.
    – hcheung
    Commented Nov 8, 2020 at 7:59
  • If all the lights go out on the Arduino when you plug it in, it sounds like a short circuit...
    – Majenko
    Commented Nov 8, 2020 at 10:47
  • 1
    On an unrelated note: where are all your decoupling capacitors?
    – Majenko
    Commented Nov 8, 2020 at 10:51
  • @Majenko Can you explain me please why the short circuit happens and how to fix it ?
    – JOSEPH
    Commented Nov 9, 2020 at 17:09
  • 1
    Did you ever find the solution? I'm stuck as well.
    – Thom
    Commented Jul 10, 2021 at 20:15

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