From 0a924b684816d55cd76bfdacfda6f29dbed95b70 Mon Sep 17 00:00:00 2001
From: Th3maz1ng <re.hertz@laposte.net>
Date: Sun, 13 Oct 2019 11:22:31 +0200
Subject: [PATCH] =?UTF-8?q?Mettre=20=C3=A0=20jour=20'README.md'?=
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 README.md | 3 ++-
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diff --git a/README.md b/README.md
index 9798801..48b466d 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,8 @@ Arduino based project running on my custom made board
 
 ### I2C Hardware addresses :
 * OLED screen : 0x3C
-* RTC DS3231 : 0x68
+* RTC DS3231  : 0x68
+* PCF8574     : 0x27
 
 ### External librairies used :
 * Adafruit_SSD1306 (not my work) [link](https://github.com/adafruit/Adafruit_SSD1306)