Bluetooth Low Energy (BLE) Android Application with MIT App Inventor 2 – How the App Works?

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Module 1	Getting Started with ESP32	+
Unit 1	Welcome to Learn ESP32 with Arduino IDE
Unit 2	Introducing ESP32
Unit 3	Installing the ESP32 Board in Arduino IDE (Windows, Mac OS X, and Linux)
Unit 4	How To Use Your ESP32 Board with this Course
Unit 5	Make the ESP32 Breadboard Friendly
Unit 6	ESP32 Troubleshooting Guide
Unit 7	[Optional] Programming ESP32 with Atom Text Editor and PlatformIO IDE
Module 2	Exploring ESP32 GPIO Pins	+
Unit 1	ESP32 Digital Inputs and Outputs
Unit 2	ESP32 Touch Sensor
Unit 3	ESP32 Pulse-Width Modulation (PWM)
Unit 4	ESP32 Reading Analog Inputs
Unit 5	ESP32 Hall Effect Sensor
Unit 6	ESP32 with PIR Motion Sensor - Interrupts and Timers
Unit 7	ESP32 Flash Memory - Store Permanent Data (Write and Read)
Unit 8	Other ESP32 Sketch Examples
Module 3	ESP32 Deep Sleep Mode	+
Unit 1	ESP32 Deep Sleep Mode
Unit 2	Deep Sleep - Timer Wake Up
Unit 3	Deep Sleep - Touch Wake Up
Unit 4	Deep Sleep - External Wake Up
Module 4	ESP32 Web Server	+
Unit 1	ESP32 Web Server - Introduction
Unit 2	ESP32 Web Server - Control Outputs
Unit 3	ESP32 Web Server - HTML and CSS Basics (Part 1/2)
Unit 4	ESP32 Web Server - HTML in Arduino IDE (Part 2/2)
Unit 5	ESP32 Web Server – Control Outputs (Relay)
Unit 6	Making Your ESP32 Web Server Password Protected
Unit 7	Accessing the ESP32 Web Server From Anywhere
Unit 8	ESP32 Web Server – Display Sensor Readings
Unit 9	ESP32 Control Servo Motor Remotely (Web Server)
Unit 10	ESP32 Color Picker Web Server for RGB LED Strip
Unit 11	Asynchronous Temperature and Humidity Web Server with Auto Update
Unit 12	Asynchronous Web Server: Control Outputs
Module 5	ESP32 Bluetooth Low Energy and Bluetooth Classic	+
Unit 1	ESP32 Bluetooth Low Energy (BLE) - Introduction
Unit 2	Bluetooth Low Energy - Notify and Scan
Unit 3	ESP32 BLE Server and Client (Part 1/2)
Unit 4	ESP32 BLE Server and Client (Part 2/2)
Unit 5	ESP32 with Bluetooth Classic and Android Smartphone
Module 6	ESP32 LoRa	+
Unit 1	ESP32 with LoRa - Introduction
Unit 2	ESP32 - LoRa Sender and Receiver
Unit 3	Further Reading about LoRa Gateways
Unit 4	LoRa - Where to Go Next?
Module 7	ESP32 MQTT	+
Unit 1	ESP32 with MQTT - Introduction
Unit 2	Installing Mosquitto MQTT Broker on a Raspberry Pi
Unit 3	MQTT Project - MQTT Client ESP32 #1
Unit 4	MQTT Project - MQTT Client ESP32 #2
Unit 5	Installing Node-RED and Node-RED Dashboard on a Raspberry Pi
Unit 6	Connect ESP32 to Node-RED using MQTT
Module 8	ESP32 ESP-NOW	+
Unit 1	ESP-NOW: Getting Started
Unit 2	ESP-NOW Two-Way Communication Between ESP32
Unit 3	ESP-NOW Send Data to Multiple Boards (one-to-many)
Unit 4	ESP-NOW Receive Data from Multiple Boards (many-to-one)
Unit 5	ESP-NOW Web Server Sensor Dashboard (ESP-NOW + Wi-Fi)
Module 9	ESP32 Wi-Fi Multisensor	+
Unit 1	ESP32 Wi-Fi Multisensor - Temperature, Humidity, Motion, Luminosity, and Relay Control
Unit 2	ESP32 Wi-Fi Multisensor - How the Code Works?
Module 10	ESP32 - Wi-Fi Car Robot	+
Unit 1	Remote Controlled Wi-Fi Car Robot - Part 1/2
Unit 2	Remote Controlled Wi-Fi Car Robot - Part 2/2
Unit 3	Assembling the Smart Robot Car Chassis Kit
Unit 4	Extra - Access Point (AP) For Wi-Fi Car Robot
Module 11	ESP32 BLE Android Application	-
Unit 1	ESP32 BLE Android Application – Control Outputs and Display Sensor Readings
Unit 2	Bluetooth Low Energy (BLE) Android Application with MIT App Inventor 2 – How the App Works?
Module 12	ESP32 LoRa Long Range Sensor Monitoring	+
Unit 1	LoRa Long Range Sensor Monitoring and Data Logging
Unit 2	ESP32 LoRa Sender
Unit 3	ESP32 LoRa Receiver
Unit 4	ESP32 LoRa Sender Solar Powered
Unit 5	Final Tests, Demonstration, and Data Analysis
Module 13	Extra Units - Do more with your ESP32	+
Unit 1	ESP32 Static/Fixed IP Address
Unit 2	ESP32 Dual Core - Create Tasks
Unit 3	ESP32 SPIFFS (SPI Flash File System)
Unit 4	Build an ESP32 Web Server using Files from Filesystem (SPIFFS)
Unit 5	ESP32 Over-the-air (OTA) Programming - Web Updater
Unit 6	ESP32 Client-Server Wi-Fi Communication Between Two Boards
Unit 7	ESP32 HTTP GET (OpenWeatherMap and ThingSpeak)
Unit 8	ESP32 HTTP POST (ThingSpeak and IFTTT.com)
Unit 9	ESP32 Pinout Reference: Which GPIO pins should you use?