From dcd3ec86ab084971db50f7c06c1fba2af45294ba Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hi=E1=BA=BFu=20=C4=90=E1=BA=B7ng?=
 <82595057+conghieutk1@users.noreply.github.com>
Date: Wed, 27 Sep 2023 21:13:29 +0700
Subject: [PATCH 1/2] =?UTF-8?q?=C4=90=E1=BA=B7ng=20H=E1=BB=AFu=20C=C3=B4ng?=
 =?UTF-8?q?=20Hi=E1=BA=BFu=2020203417?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 toggleLED.ino | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 toggleLED.ino

diff --git a/toggleLED.ino b/toggleLED.ino
new file mode 100644
index 0000000..9cd3267
--- /dev/null
+++ b/toggleLED.ino
@@ -0,0 +1,17 @@
+const int ledPin = 2;
+const int buttonPin = 4;
+int stateLed = 0;
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("Hello, ESP32!");
+  pinMode (ledPin, OUTPUT);
+  pinMode (buttonPin, INPUT);
+}
+
+void loop() {
+  if (digitalRead(buttonPin) == HIGH) {
+    int stateLed = digitalRead(ledPin);
+    digitalWrite (ledPin, 1 - stateLed);
+  } 
+}

From d6c98429936aa2538c9cdda122af6519831a39b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hi=E1=BA=BFu=20=C4=90=E1=BA=B7ng?=
 <82595057+conghieutk1@users.noreply.github.com>
Date: Sat, 30 Sep 2023 00:43:17 +0700
Subject: [PATCH 2/2] =?UTF-8?q?=C4=90=E1=BA=B7ng=20H=E1=BB=AFu=20C=C3=B4ng?=
 =?UTF-8?q?=20Hi=E1=BA=BFu=2020203417?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Toggle LED
---
 toggleLED.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 toggleLED.cpp

diff --git a/toggleLED.cpp b/toggleLED.cpp
new file mode 100644
index 0000000..b1f755e
--- /dev/null
+++ b/toggleLED.cpp
@@ -0,0 +1,19 @@
+#include <Arduino.h>
+const int ledPin = 2;
+const int buttonPin = 4;
+volatile int ledState = 0;
+
+void buttonInterrupt() {
+  ledState = 1 - ledState;
+  digitalWrite(ledPin, ledState);
+}
+void setup() {
+  Serial.begin(115200);
+  pinMode (ledPin, OUTPUT);
+  pinMode (buttonPin, INPUT);
+  attachInterrupt(digitalPinToInterrupt(buttonPin), buttonInterrupt, FALLING);
+}
+
+void loop() {
+ 
+}