From a4c93fead7a488e8bf4f782ea22bf5f00624b57a Mon Sep 17 00:00:00 2001
From: Jay Robson <jsrobson10@gmail.com>
Date: Tue, 1 Oct 2024 02:15:20 +1000
Subject: [PATCH] improve readme

---
 README.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 3b764e6..9ff813a 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,6 @@ This uses an AVR microcontroller (ATMega328P-PU, which is in the Uno R3).
 | 8      | Next button                      |
 | 9-10   | LEDs                             |
 | 11-13  | ISP Programmer, otherwise unused |
-| A0-A3  | Serial (with flow control)       |
-| A4-A5  | I2C                              |
+| A0-A3  | Serial: DTR, TXD, RXD, CTS       |
+| A4-A5  | I2C: SDA, SCL                    |