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Update README.md

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Adriano Afonso 2016-11-19 19:58:37 +00:00 committed by GitHub
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## MegaDrive / Genesis Manual
# MegaDrive / Genesis Manual
![megadrive-adapter](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/Images/ps2-keyboard-adapter.jpg)
## What do I need?
- You will need one [Atmega32u4](https://pt.aliexpress.com/item/New-Pro-Micro-ATmega32U4-5V-16MHz-Module-with-2-row-pin-header-For-Leonardo-best-quality/32273120508.html?spm=2114.13010608.0.0.Uv843y&detailNewVersion=&categoryId=400103) (e.g. Arduino Leonardo).
- [Two DB9 ports](https://pt.aliexpress.com/item/Type-DR9-90-degrees-bend-DR9-male-head-needle-serial-port-and-seat-DB9-RS232-9/32706812789.html?spm=2114.13010608.0.0.1YtDRt), better if you find a 90º version.
- Original Mega Drive Controller
Needs Atmega32u4 (e.g. Arduino Leonardo).
## Schematics and pinout
Original Mega Drive Controller
You sholud print this schema to guide you during the soldering process.
![megadrive-adapter](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/megadrive/pinout.jpg)
## Final product
Here are Adriano examples of his assembly.
![solded-adapter](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/megadrive/atmega_solded.jpg)
![solded-back-adapter](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/megadrive/atmega_solded_back.jpg)
![testing-adapter](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/megadrive/atmega_testing.jpg)