diff --git a/README.md b/README.md index d3482396..2f0bd8b5 100644 --- a/README.md +++ b/README.md @@ -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 +drawing + # Setting up the hardware Here is a diagram of how you connect all of the pieces (click to full size):