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https://github.com/saeed-dev2/esp-iot-device-firmware-with-blynk-integration

The **ESP IoT Device Firmware** integrates ESP8266/ESP32 with the Blynk app for remote control and monitoring. It supports OTA updates, configurable buttons, and LED management for various IoT applications. This open-source project is highly customizable for different ESP boards and WiFi configurations.
https://github.com/saeed-dev2/esp-iot-device-firmware-with-blynk-integration

Last synced: 10 months ago
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The **ESP IoT Device Firmware** integrates ESP8266/ESP32 with the Blynk app for remote control and monitoring. It supports OTA updates, configurable buttons, and LED management for various IoT applications. This open-source project is highly customizable for different ESP boards and WiFi configurations.

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README 

          
## ESP IoT Devices Firmware with Blynk Integration



 * This Project provides a detailed overview of the firmware designed for ESP8266/ESP32 microcontrollers, utilizing the Blynk platform for remote control and monitoring. The firmware supports various board configurations and includes features such as reset button functionality, LED indicators, Over-the-Air (OTA) updates, and configuration management.

 

 * ## Overview

 * This firmware enables ESP-based IoT devices to connect to the Blynk cloud platform, providing a seamless interface for device control and monitoring. It includes components for handling button press actions, LED indication, configuration storage, and OTA updates.

 

 * ## Components

 * The firmware is modularized into several key components:

 * - **blynkagent.h** - Manages the connection between the device and the Blynk platform.

 * - **blynkstate.h** - Defines various states of the Blynk connection and device status.

 * - **configmode.h** - Manages configuration mode and handles WiFi settings.

 * - **configstore.h** - Stores device configuration settings and provides access methods.

 * - **indicator.h** - Controls LED indicators to provide status feedback.

 * - **ota.h / ota.ino** - Handles Over-the-Air (OTA) firmware updates.

 * - **resetbutton.h** - Implements button press functionality for reset and configuration actions.

 * - **settings.h** - Contains customizable settings for different board types and advanced parameters.

 

 * ## Setup and Installation

 * To compile and upload this firmware to an ESP8266 or ESP32 board, follow these steps:

 

 * ### Prerequisites

 * - **Arduino IDE** or **PlatformIO** (recommended)

 * - **ESP8266/ESP32 Board Libraries**: Ensure these are installed in the Arduino IDE or PlatformIO.

 * - **Blynk Library**: Install Blynk library for seamless integration with the Blynk cloud platform.

 

 * ### Hardware Requirements

 * - **ESP8266/ESP32 Board**

 * - **Push Button**: For reset and configuration functions.

 * - **LED (Single-Color or RGB)**: To provide device status feedback.

 * - **Power Supply (5V)**: To power the microcontroller.

 

 * ### Steps

 * 1. Clone or download the firmware code into your development environment.

 * 2. Open the project in **Arduino IDE** or **PlatformIO**.

 * 3. Select your board (ESP8266/ESP32) and configure the settings in `settings.h` based on your hardware setup.

 * 4. Compile and upload the code to your microcontroller.

 * 5. Configure Blynk authentication and WiFi credentials in `configmode.h`.

 

 * ## Usage

 * - **Button Actions**: Press and hold the button to enter configuration or reset mode.

 * - **LED Indicator**: The LED provides visual feedback on the device status (e.g., connection status, reset, or configuration mode).

 * - **Blynk Integration**: Upon connection, the device can be monitored and controlled via the Blynk app.

 * - **OTA Updates**: The firmware supports OTA updates via `ota.h` and `ota.ino`.

 *

 * ## Configuration and Settings

 * All customizable parameters, such as WiFi credentials, button configuration, and LED pin definitions, are located in `settings.h`. Adjust the following key parameters based on your board type:

 * 

 * - **BOARD_BUTTON_PIN**: Defines the button pin for reset and configuration.

 * - **BOARD_LED_PIN / RGB Pins**: Sets the LED pins for status indication.

 * - **BUTTON_HOLD_TIME_ACTION**: Specifies the duration for holding the button to trigger an action.

 

 * ## Files and Descriptions

 * | File               |    Description                                                                                       

 * | `blynkagent.h`     | Manages the Blynk connection and communication.                                                     |

 * | `blynkstate.h`     | Defines device and connection states for Blynk.                                                     |

 * | `configmode.h`     | Enables configuration mode, allowing WiFi settings adjustment.                                      |

 * | `configstore.h`    | Provides functions for storing and retrieving configuration settings.                               |

 * | `indicator.h`      | Controls LED indicators to signal various device statuses.                                          |

 * | `ota.h` / `ota.ino`| Implements OTA updates for remote firmware management.                                              |

 * | `resetbutton.h`    | Implements button functionality for resetting and entering configuration mode.                      |

 * | `settings.h`       | Contains board-specific settings and advanced configuration parameters.                             |

 

 * ## Troubleshooting

 * - **Connection Issues**: Ensure correct WiFi credentials and Blynk authentication token in `configmode.h`.

 * - **OTA Failures**: Verify stable internet connection and sufficient device memory for firmware update.

 * - **Button Malfunctions**: Check button wiring and correct pin configuration in `settings.h`.