Isaac Marino Bavaresco wrote: > I may be wrong, but it seems that in the RN-131G Wi-Fi module user's > manual they refer to the signals UART-RTS and UART-CTS as if their roles > were swapped: > If things are as they seem, I will have to swap connections of the RTS > and CTS pins of my PIC, connecting PIC's RTS to module's CTS and vice-ver= sa. >=20 I had a quick skim through the PDF and it reads as though they treat their device as the DTE and the attached micro as the DCE. So just swapping RTS/CTS should work fine. (RTS is an output and CTS is an input). George Smith --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .