Should I try that? The arduino as ISP does program a standalone 328P successfully. I'm wondering if mine are already in the right configuration though, based on it having programmed successfully a few times.Īuto reset is not disabled. Thanks.Ok, I'll study up on how to set the fuses properly then.
Having tried everything, I'm looking for help here. Also, I don't know how to use the avrdude from the command prompt to add the -F as suggested. I have double checked all of my connections and am powering the target 2560 from a power block on a USB cable.Īll research on the web turned up only issues with connections or separate power. Reading | # | 100% 0.02sĪvrdude: Device signature = 0x000000 (retrying)Īvrdude: Yikes! Invalid device signature.ĭouble check connections and try again, or use -F to override Lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00Ĭalibration 0 0 0 0 no 1 0 0 0 0 0x00 0x00ĭescription : Atmel STK500 Version 1.x firmwareĪvrdude: AVR device initialized and ready to accept instructions Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBackĮeprom 65 10 8 0 no 4096 8 0 9000 9000 0x00 0x00 System wide configuration file is "C:\Users\ThomH\Documents\ArduinoData\packages\MegaCore\hardware\avr\2.1.3/nf" I get the following results: Arduino: 1.8.15 (Windows Store 1.8.49.0) (Windows 10), Board: "ATmega2560, Yes (UART0), EEPROM retained, Arduino MEGA pinout, BOD 2.7V, LTO disabled, External 16 MHz" I believe all of this setup is correct, so I Click Burn Bootloader. I am selecting Tools->Board->megacore->Mega2560 and then Tools->Programmer->Arduino as ISP. I am trying to place megacore on the target. I'm using the ICSP towards the middle of the board on both boards as opposed to the one near the USB cable. I have connected all six pins on my programmer to all six pins on the target. I have placed the ArduinoISP sketch on my programmer and connected LEDs and stuff as here: The programmer has the original bootloader on it. I am using one as an ISP programmer and the other is my target.
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