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Update README.md

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Maxim Devaev 2020-05-11 21:50:02 +03:00 committed by GitHub
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@ -53,6 +53,9 @@ We support a variety of implementation choices of hardware (we call it platform)
- [4x MOSFET relay OMRON G3VM-61A1](https://www.digikey.com/products/en?keywords=G3VM-61A1)
- Constant resistors, for transistor/relay (to Raspberry Pi) 220Ohm-1kOhm, those from ATX to relay need to be matched for your motherboard (supposedly 330-470 Ohm)
**ATTENTION!** Don't use random relay modules or random optocouplers. Some relays or optocouplers may not be sensitive enough for the Raspberry Pi, some others may be low-level controlled. Either use relays that are controlled by a high level, or follow the scheme and buy an OMRON. See details: https://github.com/pikvm/pikvm/issues/13
<img src="no_relays.png" alt="drawing" width="200"/>
# Setting up the hardware
Here is a diagram of how you connect all of the pieces (click to full size):