[Physical product verified] GameBoy/ADVANCE card reader

Some time ago, a GAMEBOY card reader was open sourced and it was very popular with everyone. Netizens left very enthusiastic comments and I also participated in the discussion.
Among them, don’t be disappointed. Three netizens hetunzi and bilibili233 talked about a new burner that can back up GB and GBA at the same time. In fact, I made this burner a long time ago, but I couldn’t find the corresponding firmware and fuse bits. I ate ashes; during the Chinese New Year, I rethought it according to the methods of netizens and netizens. Not to mention the twists and turns in the middle, I finally succeeded!
 
Main functions: 1. Read the game ROM and archive backup of GAMEBOY cartridges and GAMEBOY ADVANCE; 2. Burn and restore archives to some flash cards and D cards;
                      3. Use software to switch between GB and GBA, no hardware switch is required. .
 
Fuse settings: The high-order fuse is 0xDA, and the low-order
 
fuse is 0xAF. I also made a simple PCB that can't be simpler. You can have fun with it. Of course, if you have a better burning needle, you can solve it yourself.
Double row spring pin link: https://oshwhub.com/duyes/atmega-yong-shao-lu-tan-huang-zhen
 
I have tested it now and found that this burner can support more than 90% of GB burning cards on the market. , I only briefly tested the GBA flash card. The main reason is that the GBA flash card has a better burning method on NDSL.
Some D cards also support burning, you can try it yourself.
In addition, ATmega8515-16PU can theoretically replace ATmega8515L-8PU, but there is no guarantee and no compensation will be paid if it breaks:)
There is firmware in the RES directory of the client. This burner is based on the schematic diagram of 1.3. You can directly flash the CFW of 1.3 Firmware, you can successfully flash the L1 version of the firmware. It is said that there is V31 firmware, but I didn't find it and didn't test it:)