Products > Test Equipment
Lastest GM328A
carl1961:
I got a GM328A a week ago, searched everywhere about GM328A. I learned what I could from pictures and data sheets. the Mega328P chip is not removable and seems firmware is locked so I fail to get a backup. I will post what I found. I won't try to update the old 1.12 firmware until I figure out the display type. I was hoping to get a dump of the firmware and hopefully find some info about the display. beats me why theses or made with open source firmware and they lock them. they never learn that if they or open and people (like me and others ) improve them, they could sell tons more than they would locked up.
Got Display showing with Version 1.13 is Karl Heinz Kuebbler's MEGA328_COLOR_KIT
Display fixed Github with files https://github.com/carl1961/New-GM328A
carl1961:
SinaProg pictures found SinaProg here on this forum by indman
carl1961:
AVRDUDESS 2.4 You can see the eeprom backed up, but the flash is not complete
carl1961:
Changed Crystal to 16 Hz .. messed up screen :o
coromonadalix:
there is a thread about 20$ component tester i would have been better to post there
and i had some problems with the lates avr dudess 2.4 i reverted on the older 2.3 ...
for some 328 you must have the good selection, thre is a 328p and now a 328b who causes some headackes
so far in the images i see your eeprom and flash reads, but i dont see the write settings
and did you read the fuses before any read or write ???
normally it is the 1st thing to do ... you note them, because on some occasion the fuses may have a lock bite setup, and the read will be messed up,
you will need to have the good fuses settings to write or override the read protection ??
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