From 8967d4a51858a17f94b14a9b7c065b5ce02624b5 Mon Sep 17 00:00:00 2001 From: Berkus Decker Date: Sun, 10 Mar 2019 15:09:30 +0200 Subject: [PATCH] Add note about reversed RX/TX wiring --- doc/rpi3_serial.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/doc/rpi3_serial.md b/doc/rpi3_serial.md index 78aca93..e98ce22 100644 --- a/doc/rpi3_serial.md +++ b/doc/rpi3_serial.md @@ -28,3 +28,8 @@ RXD1 | GPIO15 | 10 | Alt5 | Brown TXD1 | GPIO14 | 8 | Alt5 | Red GND | GND | 6 | | Green ``` + +NB: SWAP the TXD and RXD wires. + +I.e. RXD pin of CP2104 should go to TXD pin on RPi and vice versa. +