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# DaemonBite Sega Controller To USB Adapter
## Introduction
This is a simple to build adapter for connecting Mega Drive (Genesis), Master System (+ Atari and C= controllers) to USB. It supports 3 and 6-button Mega Drive controllers and 1 and 2-button SMS/Atari/C= controllers. The Arduino Pro Micro has very low lag when configured as a USB gamepad and it is plug n' play once it has been programmed.
This is a simple to build adapter for connecting Mega Drive (Genesis), Master System (+ Atari and C= controllers) to USB. It supports 3 and 6-button Mega Drive controllers and 1 and 2-button SMS/Atari/C= controllers.
The input lag for this adapter is minimal. Here is the result from a test with a 1ms polling rate on a MiSTer:
| Controller | Samples | Average | Max | Min | Std Dev |
| ------ | ------ | ------ | ------ | ------ | ------ |
| Original Mega Drive Controller | 2342 | 0.75ms | 1.28ms | 0.24ms | 0.29ms |
| 8bitdo M30 Wireless 2.4G | 2348 | 4.54ms | 8.05ms | 2.22ms | 1.31ms |
The Mega Drive gamepad interface is based on this repository : https://github.com/jonthysell/SegaController but almost entirely rewritten and a lot of optimisations have been made.