From 7ef918887f7b0ec98c7529c69bcba2611eb3d1c2 Mon Sep 17 00:00:00 2001
From: cuu <gnubsd@me.com>
Date: Fri, 21 Mar 2025 14:28:41 +0800
Subject: [PATCH] update picocalc_helloworld/README.md

---
 Code/picocalc_helloworld/README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/Code/picocalc_helloworld/README.md b/Code/picocalc_helloworld/README.md
index 139fd77..da917ef 100644
--- a/Code/picocalc_helloworld/README.md
+++ b/Code/picocalc_helloworld/README.md
@@ -46,3 +46,16 @@ So here is the standard running procedures:
 - Plug the pico via USB Type-C
 - Press Power On on Top of the PicoCalc
 
+
+If your firmware includes serial output, you can monitor it using **minicom** or **screen**:   
+```bash
+screen /dev/ttyACM0 115200
+```
+
+(Replace /dev/ttyACM0 with the correct serial port for your Pico.)  
+
+The serial monitor of **Arduino IDE** is another great choice for PicoCalc serial output on both Linux and Windows.
+
+
+
+