From 6fb0990182d0296ede598d3a80b91f9439457616 Mon Sep 17 00:00:00 2001
From: mifen <191615342@qq.com>
Date: Sat, 22 Oct 2022 11:29:53 +0800
Subject: [PATCH] add pin note

---
 Microcontroller_Code/ESP8266/ESP8266.ino | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Microcontroller_Code/ESP8266/ESP8266.ino b/Microcontroller_Code/ESP8266/ESP8266.ino
index 3ea3bed..b2bb1b5 100644
--- a/Microcontroller_Code/ESP8266/ESP8266.ino
+++ b/Microcontroller_Code/ESP8266/ESP8266.ino
@@ -13,10 +13,10 @@ static const int N_SAMPLES = 300;
 
 
 // what pins to use, between 0 and 15
-static const int PIN0 = 4;
-static const int PIN1 = 5;
-static const int PIN2 = 12;
-static const int PIN3 = 14;
+static const int PIN0 = 4; // D2
+static const int PIN1 = 5;  // D1
+static const int PIN2 = 12; // D6
+static const int PIN3 = 14; // D5
 // unused pins should be tied to the ground
 
 static_assert(PIN0 >= 0 && PIN0 < 16, "");