From 2beb5e97e5c77edbb440cb1954959de7316fcf89 Mon Sep 17 00:00:00 2001
From: DavidVentura <davidventura27@gmail.com>
Date: Tue, 30 Jan 2024 20:14:36 +0100
Subject: [PATCH] add serial note

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

diff --git a/README.md b/README.md
index d7fc1a4..9e332fb 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,10 @@ sequenceDiagram
     end
 ```
 
+### Serial
+
+The A9 cameras have a TX/RX test points - connecting with UART at 921600 81N gives _read only_ access to some debug logs.
+
 ### Discrepancies between cameras
 
 1. Wifi Strength