From 4c4ced180ee0a701f11a1ea337e5a08be4018443 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=85=AD=E6=9C=88=E7=9A=84=E9=9B=A8?=
 <lipengfei.dev@gmail.com>
Date: Mon, 22 Apr 2024 09:02:53 +0800
Subject: [PATCH] Updated Home (markdown)

---
 Home.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Home.md b/Home.md
index b6decd5..3e0ee39 100644
--- a/Home.md
+++ b/Home.md
@@ -42,6 +42,24 @@ If you want to setup your device please hold during device boot:
   IO27 -------=====-----=====---|
                1 k     5 k POT
 ```
+### Crystal option of TEF668X
+```
+Depending on the voltage of ESP32 IO15, different crystal oscillators are supported.
+Please select the appropriate resistor for the following conditions.
+
+                         R15
+                          |
+                          |
+                          |
+  VCC_3V3_CPU -----=====--•--=====----|GND
+                    R49       R48
+
+IO15: 0V        → 9.216M
+IO15: 1V        → 12M
+IO15: 2V        → 55.466M
+IO15: (2V~3.3V] → 4M
+```
+
 ### Manual
 
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