Contest

₹7,00,000 in prizes were awarded for the most creative projects DigiKey Announces Winners of Smart Home & Wearables Project Contest 2025 with Circuit Digest

THIEF RIVER FALLS, Minn., USA – DigiKey, the global distribution leader of electronic components and automation products, announces the winners of its Smart Home & Wearables Project Design Contest 2025 with Circuit Digest. Engineers, makers, students and hobbyists across India were invited to submit their innovative project ideas for a chance to win prizes worth ₹7,00,000 and free…

HomePod S3 - A Smart Desk companion HomePod S3 - A Smart Desk companion

By Rohan Barnwal

HomePod S3 is a  Smart Desk Companion that combines everyday utilities into one compact offline-first device designed to sit permanently on your desk. The goal of this project was to answer a simple but important question:

If a small device stays on your desk all day, how can it…

iBIGS-Infant Behavior Intelligent Guardian System iBIGS - Infant Behavior Intelligent Guardian System

By Akash A S

The iBIGS (Infant Behavior Intelligent Guardian System) is a smart baby monitoring and sleep-aid device built using the Adafruit MEMENTO (ESP32-S3) platform. The system is designed to help parents monitor infants, detect crying or movement, and provide soothing sounds to help babies sleep.

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Smart Life Band An IoT-Based Health, Sleep, and Safety Monitoring Wearable Smart Life Band: An IoT-Based Health, Sleep, and Safety Monitoring Wearable

By Pratham Sapkal

This project implements a wearable smart band that continuously monitors vital health parameters such as Heart Rate (BPM), Blood Oxygen Saturation (SpO₂), physical movement, stress level, and sleep state.

An SOS button is integrated to allow the user to send emergency alerts. All…

ESP32-S3 Box 3 Smart Weather Station: Real-Time Field Monitoring for Farmers from Home ESP32-S3 Box 3 Smart Weather Station: Real-Time Field Monitoring for Farmers from Home

By Ashish Rana

This project is an IoT-based weather station tailored for farmers to monitor their fields remotely. It collects comprehensive environmental data from Home, including wind speed, wind direction, temperature, humidity, pressure, gas levels, altitude, and rainfall. Using a BME680 sensor and other specialized sensors, all…

Gesture Link Gesture Link

By Moksha Kumbhaj

Gesture Link is an assistive technology system designed to improve communication and independence for differently-abled individuals. The project combines two main modules: Visora (AI-powered smart glasses) and Gestura (bilateral assistive gloves)

The goal of this project is simple but powerful: to reduce…

Smart Library System Smart Library System

By Keshav Padia

Hi everyone!, my project is a standalone Smart Library Kiosk designed to replace the traditional librarian counter with a self-service system. Built on the Adafruit Memento Development Board (from DigiKey) with an ESP32-S3 chip, it runs independently-currently powered via laptop but easily adaptable to a 3.7V LiPo…

Smart Home & Wearables Contest 2025 CircuitDigest’s Smart Home & Wearables Project Contest 2025 Is Now Open

CircuitDigest’s Smart Home & Wearables Project Contest 2025, sponsored by DigiKey, is now live. The theme of this year’s contest is easy to infer from the title. We are shifting the focus from last year’s well-received IoT and Edge AI Design Contest to projects that transform everyday living with intelligence, safety, and connectivity. 

Engineers, makers, students, and…

Arduino Smart Dustbin using Ultrasonic Sensor Smart Dustbin using Arduino and Ultrasonic Sensor

Smart Dustbin, as its name suggests, works smartly, or we can say that it is an automatic dustbin. Smart Dustbin is a very good project from Arduino. We can say that it is a decent gadget to make your home clean and attractive. Kids spread trash to a great extent by paper, rappers and numerous other things at home. They will have fun with this dustbin…

Wireless Water Pump Controller An Automatic Wireless Water Pump Controller

After watching and experiencing turning off and on our household water pump manually, it was really hectic and frustrating. It happened many times when you stay alone at home and while using the bathroom, the overhead tank got emptied and you were hassled. Even the opposite happened when you turned on the pump and forgot to switch it off, causing heavy water and…

AC to DC High Watt Power Supply Unit Zeus: An AC to DC High Watt Power Supply Unit

While making a customized RGB LED set up at our home, basically it was a bunch of addressable 5v LEDs the WS2812, but unfortunately, we didn't have a high current power source to light them up properly. Since there was a lot of them, it required around 9 Amps of current to lighten up at full brightness. This led us to design one Power Supply for this purpose, as well…

Motion Controlled Room Fan Build an Automatic Motion Controlled Smart Fan using ATmega328 and Motion Sensor

Here we are going to build a motion-controlled fan project using ATmega328 and RCWL-0516 Doppler RADAR Motion Sensor. This project will eliminate the need of manually turning on/off the room fan while entering or leaving the room as it can automatically turn on the fan upon detecting the motion. For example, once motion is detected, it will turn on the fan…