Search found 3 matches

by Tossler
Wed Nov 21, 2012 2:31 am
Forum: HV Rescue Shield
Topic: Reseting fuses of Atmega8 using Arduino Mega 2560
Replies: 4
Views: 20674

Re: Reseting fuses of Atmega8 using Arduino Mega 2560

ok, how silly of me. I have used the "old" schematic to build the device: http://mightyohm.com/blog/wp-content/uploads/2008/09/hvfuse_fixed.png however, i managed to get it working, for reference, here's what you need to do in 2.12 version of SW: 1. Change the flag so the MEGA code will be...
by Tossler
Wed Nov 21, 2012 1:28 am
Forum: HV Rescue Shield
Topic: Reseting fuses of Atmega8 using Arduino Mega 2560
Replies: 4
Views: 20674

Re: Reseting fuses of Atmega8 using Arduino Mega 2560

I noticed that after i posted, updated to version 3/15/11 2.12 and my ouput looks like this ¦elect mode: 1: ATmega (28-pin) 2: ATtiny2313 3: ATtiny (8-pin) / HVSP Selected mode: ATMEGA Insert target AVR and press button. Existing fuse values: LFUSE: 1 HFUSE: 1 Enter desired LFUSE hex value (ie. 0x62...
by Tossler
Tue Nov 20, 2012 4:19 pm
Forum: HV Rescue Shield
Topic: Reseting fuses of Atmega8 using Arduino Mega 2560
Replies: 4
Views: 20674

Reseting fuses of Atmega8 using Arduino Mega 2560

Hi, I have had few attempts to reset fuses of Atmega8 with no success using Arduino Mega 2560. I have build a HV shield using the schematic from 12/07/08, checked all the connections few times with the multimeter, everything seems fine. Since Arduino mega had pins 14+ i changed a bit of code to get ...