How DevNode Built an AI-Powered "Project Idea Generator"

Author: DevNode Digital Category: AI & Automation Date: May 12, 2026 Read time: ~4 min

Using n8n, Google Gemini, and low-code workflows to solve the "Blank Page Syndrome" for engineers.

n8n Gemini 1.5 Pro Webhooks Vercel

Workflow Architecture

graph TD A[User visits Vercel UI] -->|Selects Domain & Difficulty| B(n8n Webhook) B --> C{Orchestration Engine} C -->|Generate Idea Prompt| D[Google Gemini API] D -->|Returns JSON array| C C -->|Format & Log| E[(Google Sheets DB)] C -->|200 OK Response| A style A fill:#000,stroke:#00f2ff,stroke-width:2px,color:#fff style B fill:#000,stroke:#ea4b71,stroke-width:2px,color:#fff style C fill:#000,stroke:#ea4b71,stroke-width:2px,color:#fff style D fill:#000,stroke:#4b8bea,stroke-width:2px,color:#fff style E fill:#000,stroke:#109d59,stroke-width:2px,color:#fff

The Challenge

As an engineering-focused startup, we noticed a recurring problem among students and developers: "The Blank Page Syndrome." Many talented engineers have the skills to build but struggle to find unique, industry-relevant project ideas. We wanted to solve this by creating a tool that offers personalized project suggestions instantly, while also serving as a lead generation tool for DevNode Technologies.

The Solution: An Agentic AI Workflow

Instead of building a traditional static database, we architected a dynamic AI agent using low-code automation.

Core Engine: We utilized n8n for workflow orchestration to handle the logic flow across different services.
The Brain: We integrated Google Gemini 1.5 Pro to generate creative, context-aware project ideas based on user inputs.
Database: We used Google Sheets as a lightweight backend to log user requests and generated ideas for analysis.
Frontend: The interface was deployed on Vercel for high availability and speed.

How It Works

The user inputs their preferred domain (e.g., IoT, Web Dev) and difficulty level.
The n8n webhook captures this data and passes it to the Gemini API with a custom-engineered prompt.
Gemini returns a unique project title, description, and tech stack recommendation in a strictly formatted structure.
The data is logged, and the result is displayed to the user in real-time.

The Result

We successfully deployed a fully functional "AI Project Generator" that serves as a 24/7 digital asset for DevNode. This project demonstrates our ability to integrate Generative AI with Business Process Automation to create useful, user-centric tools rapidly.

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