{"id":21357542,"url":"https://github.com/szabilukacs/smarthomerelay","last_synced_at":"2026-04-27T18:34:55.887Z","repository":{"id":263612147,"uuid":"890890553","full_name":"szabilukacs/SmartHomeRelay","owner":"szabilukacs","description":"SmartHome Relay is an IoT project using an ESP32 to remotely control a relay and monitor boiler temperature via the Blynk platform. 🌡️📱Features include real-time temperature monitoring, thermostat automation, and notification toggles. 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Using an **ESP32**, this system allows users to:  \n- **Remotely control a relay** to activate or deactivate the built-in heating resistance of the boiler.  \n- **Monitor the temperature** inside the boiler in real-time.  \n- **Automate boiler heating** using thermostat-like behavior based on a set temperature range.  \n- **Enable or disable notifications** for temperature changes or system events.\n\nThe project combines hardware design, embedded programming, and IoT integration for a seamless smart home experience.\n\n---\n\n## 📜 Table of Contents  \n\n- [✨ Features](#features)  \n- [🚀 Getting Started](#getting-started)  \n  - [Hardware](#hardware)  \n  - [Software](#software)  \n- [⚙️ Hardware Design](#Hardware-Design)  \n  - [Circuit Diagram](#circuit-diagram)  \n  - [PCB 3D View](#pcb-3d-view)  \n- [📲 Blynk App Interface](#blynk-app-interface)  \n- [🛠️ Code Overview](#code-overview)  \n  - [Dependencies](#dependencies)  \n  - [Uploading the Code](#uploading-the-code)  \n- [PCB Design](#pcb-design)  \n\n## Features ✨\n\n- **Remote Control**: Control the heating resistance via the Blynk mobile app.\n- **Real-time Temperature Monitoring**: Display temperature data from the boiler directly in the app.\n- **Automated Thermostat Mode**: Set a target temperature range, and the system will automatically control the relay.\n- **Notification Toggle**: Enable or disable notifications for system status and alerts.\n- **Custom PCB Design**: Compact and efficient PCB for the ESP32 and relay circuit, designed in KiCAD.\n- **User-friendly Interface**: Intuitive and easy-to-use Blynk app interface for controlling and monitoring.\n\n---\n\n## Getting Started\n\n### Hardware\n\n- **Microcontroller**: ESP32\n- **Temperature Sensor**: DS18B20  \n- **Relay Module**: Controls the heating resistance\n- **Custom PCB**: Designed to integrate the ESP32, relay, and sensor connections  \n\n### Software\n\n- **Arduino IDE**: Development environment for the ESP32 firmware  \n- **Blynk**: Cloud-based platform for IoT app creation  \n- **KiCAD**: Used for designing the PCB  \n\n---\n\n## Hardware Design📐\n\n### Circuit Diagram\n![Circuit Diagram](img/circuit.png)\n\n### PCB 3D View\n![PCB 3D View](img/view_3d.jpg)\n\n---\n\n## Blynk App Interface 📱\n\nThe Blynk app provides an intuitive interface for interacting with the SmartHome Relay system:\n\n![Blynk UI](img/blynk_UI.jpg)\n\n### Features:\n- **Relay Control**: Toggle the relay to activate or deactivate the heating resistance.  \n- **Temperature Display**: Real-time temperature monitoring from the boiler.  \n- **Automation Mode**: Set a target temperature range for thermostat-like operation.  \n- **Notifications Toggle**: Enable or disable notifications for system status and alerts.\n\n---\n\n## Code Overview\n\n### Dependencies\n\nEnsure the following libraries are installed in Arduino IDE:\n1. **Blynk**  \n2. **ESP32 Board Support**  \n3. **Temperature Sensor Library**\n\n### Uploading the Code\n\n1. Clone the repository.\n2. Open the `.ino` file in Arduino IDE.\n3. Configure your WiFi and Blynk credentials in the code.\n4. Upload the code to the ESP32 using a USB connection.\n\n---\n\n## PCB Design\n\n- The PCB design was created using **KiCAD**.\n- It includes the ESP32, relay, and connectors for the temperature sensor.\n- You can [link PCB ordering instructions here] if relevant.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fszabilukacs%2Fsmarthomerelay","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fszabilukacs%2Fsmarthomerelay","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fszabilukacs%2Fsmarthomerelay/lists"}