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Generative AI Smart Speaker

Smart speakers such as Alexa, Google Home, and Apple Home have transformed how people interact with technology, enabling voice-based control of smart devices, instant...

Compact Robotic Platform With Motor Driver On Chassis PCB

An N20 motor is a compact DC geared motor widely used in robotics and DIY applications. By combining a small DC motor with an...

Smart Power Cut-Off Timer for Chargers, Pumps & Home Appliances

In today’s fast-paced life, we often leave our mobile chargers, Laptop chargers or small appliances plugged in longer than necessary, especially during sleeping. This...

AI Hand Gesture Controlled Mini Robot

Controlling a robot's direction, speed, individual wheel movement, and more via a single FPC wire makes the overall design compact and efficient. The system...

Run LLM Locally on Raspberry Pi: No API, Free & Offline

In this guide, you’ll learn how to build your own local AI system using lightweight LLMs, AI agents, and affordable hardware like a Raspberry...

Battery Pack Balanced Cell Charge Monitoring System

Balanced charging of each cell in a battery pack is critical to meeting system requirements and maximising lifespan, while continuous monitoring of temperature, current,...

Portable Ultrasonic Trench Logger For Optical Fibre Cable

In modern telecom infrastructure deployments, optical fibre cable (OFC) is typically laid in underground trenches, where maintaining the specified trench depth is critical for...

This IoT Project Tracks Nuclear Radiation Live

Nuclear leakage detection and radiation monitoring have become critical as the world generates increasing amounts of nuclear waste. Almost every country produces nuclear waste,...

Energy Monitoring in Real Time with IoT

Earlier, we designed a smart energy meter that used a current sensor to measure current. In that version, we manually set the voltage range...

₹500 Blind Stick Without Code

The Blind Stick is a low-cost assistive device designed to help visually impaired individuals detect obstacles and navigate safely. It uses an infrared (IR)...

I Turned My Raspberry Pi into an AI agent with OpenClaw That Can Control Apps, Shop & Automate Tasks (OpenClaw Guide)

The openClaw and AI agents represent a revolutionary advancement in AI. These agents can now perform real-world tasks beyond mere answering; they can also...

Solar Energy Harvesting Circuit

Summary: A low-light solar energy harvesting system using the LTC3105 with built-in MPPT can efficiently extract power from indoor ambient light (as low as a...

I Turned Raspberry Pi into a QR Code based Entry System with Auto ID Cards

QR codes are widely used in entry and exit systems for various events to monitor the number of participants and ensure that only authorized...

30 Rupees CAN Bus Transceiver Design 

Transreceiver plays a crucial role in CAN bus communication, transmitting data from the MCU to the CAN network. While most MCUs, such as the...

IoT-enabled CAN Bus Vehicle Monitoring System

This project demonstrates how to build an IoT-enabled CAN bus monitoring system using the Indusboard Coin. While the CAN bus is widely used in...

DIY CAN Bus Vehicle Sensor

Here we are designing a very small, tiny CAN network sensor that can be attached to any vehicle. It detects motion, accidents, and all...

Low-Cost 40A, 1200V Solid-State Relay with Voltage Controller

This project describes a high-power solid-state relay (SSR) and AC voltage controller built using a BTA41-1200BW TRIAC (40A, 1200V) and MOC3041 opto-triac. Unlike conventional...

Raspberry Pi Object Tracking Camera using MediaPipe

In this project, we build a real-time object-tracking camera using Raspberry Pi and MediaPipe. The camera detects a selected object, calculates its position in...
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