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Bengaluru techie gives grandfather’s rotary phone an AI makeover: ‘I was tired of talking to ugly plastic boxes’

A Bengaluru techie turned his grandfather’s rotary phone into an AI assistant.

Published on: Mar 10, 2026, 10:59:26 IST
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A Bengaluru techie has found a creative way to blend nostalgia with modern technology. By transforming his grandfather’s old rotary phone into an artificial intelligence powered assistant, the engineer has caught the attention of social media users online.

A Bengaluru techie built an AI assistant inside his grandfather’s vintage rotary phone. (X/@the2ndfloorguy)
A Bengaluru techie built an AI assistant inside his grandfather’s vintage rotary phone. (X/@the2ndfloorguy)

Taking to X, the man identified as Pankaj Tanwar shared how he converted the vintage device into a working AI assistant that now sits on his desk.

“I was tired of talking to ugly plastic boxes. So I turned my grandfather's old rotary phone into an AI assistant. I pick it up, say ‘Hey Kiri’ and just talk like book a cab, schedule a meeting, order me maggi, turn off the lights, summarise my emails literally anything and it just does it,” he wrote.

Vintage phone meets artificial intelligence

In the post, Tanwar explained that the device looks exactly like a normal rotary phone from the 1970s. However, inside the device sits a Raspberry Pi and a small AI agent that powers the system.

“It sits on my desk. Looks like a normal phone from the 1970s. Nobody knows there is a raspi & little AI agent living inside it,” he added.

The techie also revealed that the entire project was built on a small budget using basic hardware components.

“Built the whole thing for like $25 with a dummy phone, raspi and a bunch of hardware components,” he wrote.

Sharing images of the modified phone along with the post, Tanwar admitted that the demonstration video might not be perfect but said the project itself was fun to build.

“IDK if anyone would actually want a DIY for this. Its stupid fun having this vintage + AI on the desk man. LMK. (^pls dont mind the bad demo),” he wrote.

Take a look here at the post:

Social media reacts

The post quickly drew reactions from several social media users who praised the creativity behind the project.

One user commented, “Excellent use of AI I have seen so far.” Another person wrote, “It would be so good to find the latest discount coupons for the X quick commerce and then order it all under 100 rupees.

Many others also admired the idea of merging retro technology with modern AI tools. “You are a legend man,” wrote one user, while another said, “What an amazing development.” A third user commented, “Absolutely love all of your project,” while someone else simply wrote, “Now this is amazing.”

(Disclaimer: This report is based on user-generated content from social media. HT.com has not independently verified the claims and does not endorse them.)

  • Mahipal Singh Chouhan
    ABOUT THE AUTHOR
    Mahipal Singh Chouhan

    Mahipal Singh Chouhan is a Senior Content Producer at Hindustan Times Digital, with nearly five years of experience in digital journalism and content production. His work primarily focuses on offbeat and trending stories that reflect everyday experiences and evolving conversations on the internet. He has consistently worked on transforming viral content and human interest stories into structured news pieces that engage readers while maintaining editorial clarity. At Hindustan Times, Mahipal contributes to identifying and developing stories emerging from social media trends, online communities, and real-world incidents that capture public attention. His approach involves adding context and journalistic perspective to fast-moving digital narratives, helping present viral moments in a clear and reader-friendly format suited for digital audiences. Before joining Hindustan Times Digital, he was associated with DNA India, where he gained experience in newsroom workflows and digital storytelling practices. Mahipal holds a degree in Journalism and Mass Communication from the Vivekananda Institute of Professional Studies, Delhi. He is particularly interested in tracking emerging trends and understanding how online conversations evolve into broader public discussions. His work reflects a focus on accuracy, readability, and relevance in the rapidly changing digital news environment. Outside of his professional responsibilities, Mahipal takes an interest in history and sports and regularly works on improving his general knowledge, which complements his curiosity as a media professional.Read More

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