I was inspired by the many Game Boy Zero builds on You Tube, but one in particular where the user used an original Game boy cart to house the micro SD card. I give the user props for a good functioning build, but with my ability to design PCBs and some more knowledge about getting hardware working I set out to build my own. My project is all working in prototype form except for the audio at this point because i didn't buy an audio amp board for prototyping.
Specs,
Original Game Boy DMG-01 Case.
Custom Cart PCB
Custom Button PCB with extra X - Y buttons.
Adafruit 3.2' SPI TFT screen
Mono 2.5W amplifier Circuit
2000mA hour LiPo Battery
Battery Charger circuit
Main PCB
Holds the Pi Zero in a cut out in the middle of the board. Bridges the Connections over to the Cart header for the Mircro SD card. Also bridges the required pins from the GPIO to the screen header. Has Micro USB port for charging. Has USB-A port for external devices. Holds the battery charger circuit and audio amp circuit. I will be using the basic PWM out gpio pin for audio. the audio on these games are pretty crude anyways. The battery connector sticks through one of the openings in the battery compartment with some modification to the opening. I decided not to try to bring out the HDMI port as it would have been very complicated and using a SPI screen the output of the HDMI is the same very low resolution of the built in screen. I am also using the extra GPIO pins for the buttons instead of using a USB device like the teensy. this eliminates the need for a USB hub if you want a USB port on the outside.![Gameboy Gameboy](/uploads/1/3/4/3/134367521/310653914.jpg)
Cart PCB
replaces the cart board with a custom board that holds the Micro SD card. Replaces the card edge connector with a female 0.1 pin header. I will post pictures of the board layout software, but the actual implementation will become more clear once I have the boards on monday.
Button PCB
There were existing options for the DMG-01, but they only had A and B buttons, I used the super game girl board at first for prototyping, but it wasnt really designed for the DMG GB even though it was based on the original 2 button PCB--ABXY button pads didn't line up. I decided to make my own board specifically for the DMG GB with the extra X and Y buttons. I am selling the extra boards on Ebay. I received them today and have pictures.
http://www.ebay.com/itm/231974209588?ss .. 1555.l2649
Pictures and video.
Video of GPIO mapped buttons and Adafruit screen working in Prototype form.
Main board and Cart board Panelized (Layout Software screen shot)
Button Board PCB
Nintendo Game Boy DMG-01, Gray, Acceptable Condition and three games included. Mac cleaner software free. Dnd 5e best dmg type. Dmg strings. The images show the actual product that will be sent and will always be included what is shown in the images, in case you look for an accessory and it is not shown in the images it is because it is not included. Firefox for mac download free.
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Specs,
Original Game Boy DMG-01 Case.
Gameboy Dmg-01 Value Chart
Custom Main PCBCustom Cart PCB
Custom Button PCB with extra X - Y buttons.
Adafruit 3.2' SPI TFT screen
Gameboy Dmg-01 Value Guide
Mono 2.5W amplifier Circuit
2000mA hour LiPo Battery
![Value Value](https://i.ebayimg.com/images/g/h3gAAOSw-K9ZFXtv/s-l300.jpg)
Main PCB
Holds the Pi Zero in a cut out in the middle of the board. Bridges the Connections over to the Cart header for the Mircro SD card. Also bridges the required pins from the GPIO to the screen header. Has Micro USB port for charging. Has USB-A port for external devices. Holds the battery charger circuit and audio amp circuit. I will be using the basic PWM out gpio pin for audio. the audio on these games are pretty crude anyways. The battery connector sticks through one of the openings in the battery compartment with some modification to the opening. I decided not to try to bring out the HDMI port as it would have been very complicated and using a SPI screen the output of the HDMI is the same very low resolution of the built in screen. I am also using the extra GPIO pins for the buttons instead of using a USB device like the teensy. this eliminates the need for a USB hub if you want a USB port on the outside.
![Gameboy Gameboy](/uploads/1/3/4/3/134367521/310653914.jpg)
Cart PCB
replaces the cart board with a custom board that holds the Micro SD card. Replaces the card edge connector with a female 0.1 pin header. I will post pictures of the board layout software, but the actual implementation will become more clear once I have the boards on monday.
Button PCB
There were existing options for the DMG-01, but they only had A and B buttons, I used the super game girl board at first for prototyping, but it wasnt really designed for the DMG GB even though it was based on the original 2 button PCB--ABXY button pads didn't line up. I decided to make my own board specifically for the DMG GB with the extra X and Y buttons. I am selling the extra boards on Ebay. I received them today and have pictures.
http://www.ebay.com/itm/231974209588?ss .. 1555.l2649
Pictures and video.
Video of GPIO mapped buttons and Adafruit screen working in Prototype form.
Gameboy Dmg-01 Value List
Gameboy Dmg-01 Value 1
https://www.youtube.com/watch?v=GM_RlXi .. e=youtu.beMain board and Cart board Panelized (Layout Software screen shot)
Button Board PCB