Here's my newest Gameboy mod! It's a Consolized DMG using Easy_VGA and a Pro Micro to enable gameplay with a NES controller.
This was built based off of the info HERE.
Big thanks to @seerofvoid420 for helping with the board tracings, and @Postman and uXe for helping me finalize the code.
This...
This project uses an Attiny 85 microcontroller and a small OLED screen powered buy a tiny LiPo battery. The result is a device less than 2 inches tall. Can be charged via micro USB within 15 minutes, battery lasts days...