Hi dear forum. I am getting this error every time I try to run a program on an atmega328p, using an Arduino Mega as the programmer with SPI connections. I tried burning the bootloader, and also making a blink, but in both cases i get the same error. My connections are the following: [Opera Capt…

Have you attached the required capacitor with a value of 10 microfarads between the RESET pin of the MEGA2560 and GND on the Mega? Without this capacitor, the MEGA2560 does a reset if you want to flash something in the Atmega328 and interrupts the connection to the Atmega328. As a result, reading of…

You need to connect the 328p RESET pin to the "programmer" SS pin (well, it's not really SS; it's just a GPIO pin. pin 10 on an Uno; I'm not sure whether it's 53 on a Mega, or still 10.)

Thanks for the answer. I will try it. I didn't have anything connected beetween RESET of mega(pin 10) and pin 1 of atmega328.

The example I ran of ArduinoISP says that pin 10 is used as the RESET pin. So, I don't believe that is the problem. [cap]

[image] abril_SN2004: I didn't have anything connected beetween RESET of mega(pin 10) and pin 1 of atmega328. So, I don't believe that is the problem. the RESET of the device you want to burn/program (pin 1 of the 328) MUST be connected to the proper GPIO (D10) of the board you are using as …

Sorry, I didn't express well. I have those two pins connected, but I don't have a capacitor inbetween them.

Can you repost the connection table from your first post, with the connections that you actually have, currently?

That looks like it should be correct. You can and probably should disconnect SS, because it's not needed, but I don't think it should bother anything. You're still getting exactly the same errors?

well, I tried putting an electrolytic capacitor and I still get the same error

I tried disconnecting it and I still get the same result. Here the complete error message when uploading: Arduino: 1.8.16 (Windows 10), Board: "ATmega328, ATmega328P, 8 MHz (internal), B.O.D. Enabled (4.3V)" Sketch uses 1036 bytes (3%) of program storage space. Maximum is 32768 bytes. Global var…

Invalid Device signature = 0x000000

Development Tools Uploading

mr_folsi December 26, 2021, 6:13pm 13

Hi, I have the same problem as you. Have you managed to solve it? I' ve also seen this article : avrdude: Device signature = 0x000000

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Invalid Device signature = 0x000000

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