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Update README.md

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Jarno Lehtinen 2016-11-11 19:24:28 +02:00 committed by GitHub
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@ -172,9 +172,14 @@ Very handy level converter with 3.3V AMS1117 regulator. Search from Ebay with `L
![Level converter with AMS1117](https://raw.githubusercontent.com/mcgurk/Arduino-USB-HID-RetroJoystickAdapter/master/Images/Levelconverter_with_AMS1117.jpg)
### Playstation, 3.3V, 3.7V or 5V?
#### Voltage levels
##### Playstation, 3.3V, 3.7V or 5V?
There is contradictory data about Playstation controller voltages. I have one commercial adapter and it's 5V. I haven't measured official Playstation, but it is probably 3.3V.
##### Wii extension controllers
Wii extensions are 3.3V, byt I have used Wii Nunchuck and Classic Controller with 5V (VCC and signals) without problems.
### Other ideas
Of course Arduino can be used many other ways. Add a PIR motion detector module from Ebay (under $2) and your computer wakes up from sleep when you walk to room. Just read PIR-sensor data pin and if it is 1, send some keyboard button (which normally does nothing) to computer so it wakes up. Or make info-board to your kitchen or hallway wall from old Android tablet and it turns on backlight only when someone goes to kitchen.