ESP32

By Yash Chipkar

We all dread the moment our monthly electricity bill arrives. It’s often a shock—a single, confusing number with zero explanation of where that energy went. Was it the air conditioner running too long? A faulty refrigerator? Or phantom electronics draining power in standby mode? For the CircuitDigest Smart Home and Wearables Project Contest 2025, We built the Smart Power…

By Pratyush GehlotFalls are a leading cause of injury among elderly and mobility-impaired individuals living alone. Traditional monitoring approaches rely on cameras or wearable devices — cameras raise significant privacy concerns in home environments, while wearables depend on the person remembering to wear them and keeping them charged.

By Rajesh

Air pollution has become one of the most serious environmental and public health challenges in the modern world. Harmful gases such as carbon monoxide (CO) and nitrogen dioxide (NO₂), mainly produced by vehicles, industrial emissions, and fuel combustion, contaminate the air we breathe and pose significant risks to human…

By KISHOR G

I built a Smart Auto-Assist Home Safety System that simulates a real smart home using an ESP32 and an ESP32-S3-BOX3. The system automatically controls lighting and appliances based on ambient light and human motion, continuously monitors electrical energy usage, detects abnormal current faults, and predicts electricity consumption and billing using lightweight on-device…

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…

By Vikas Singh Thakur

In today's fast-paced world, managing home security, daily routines, and connectivity can be challenging, especially for busy individuals, elderly users, or those living alone. DIGI-HOME is a compact Home companion built on the Adafruit Memento board (powered by ESP32-S3), designed to make homes smarter, safer, and more interactive. By combining vision…

By Udhaibalaji

The AI-Enhanced Child Safety Wearable and Smart Home System is an integrated IoT-based solution designed to improve the safety, health monitoring, and home automation support for children especially physically challenged children and modern children who spend time alone at home. With increasing nuclear families and working parents, ensuring continuous supervision and…

By Thejas A V

I have built a local WiFi-based smart home system that works without internet.

By Affan Danish

The Story Behind CARE

While researching why people weren't buying air purifiers (beyond just the cost), we stumbled upon something fascinating: most people simply don't care enough about air quality. And that's exactly how CARE was born.

CARE is an…

By Ashwanth A, Muthiah Karthik S

HestiaGuard is a distributed home management and power‑control system built around ESP32 microcontrollers. The project combines environmental monitoring, electrical usage tracking, and centralized control to improve household safety and energy efficiency.

This is a simpler, more beginner friendly version of the original SmartKnob designed to make smart haptic controls easier to build and understand. By removing much of the complexity found in earlier designs, this version is easier to assemble and supports more motor options, making it an approachable project for hobbyists and first time builders alike.

Kokensha Tech redesigned the…

By Sumit Shingane

Rural Primary Health Centers (PHCs) often face staff shortages, making continuous patient monitoring difficult, especially during night shifts. Critical changes in patient vitals such as Heart Rate (HR) and Oxygen Saturation (SpO2) can go unnoticed, leading to delayed medical intervention.