3D printing

Aigis: The AI Family Guardian & Smart Home Companion Aigis: The AI Family Guardian & Smart Home Companion

By Varun Sontakke

An Edge-AI Ecosystem merging Robotics, Health, Security, and Home Automation via ESP-NOW.

Aigis is not just another smart assistant, it is a distributed Edge-AI Ecosystem designed to bridge the gap between human interaction and smart home automation. While most current smart home devices act as isolated "islands"—where your doorbell doesn't talk to your health…

AIR-Buddy A Buddy for Monitor Air Quality AIR-Buddy - A Buddy for Monitor Air Quality

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…

ESP32-DIV-V2 Handheld View Meet the ESP32-DIV V2: The Open-Source "Flipper Zero Killer?"

If you've been following the world of portable pentesting tools, you know the Flipper Zero reigns supreme. But for the makers among us who prefer "built not bought," a serious contender has arrived. Creator CiferTech has just released the ESP32-DIV V2, a completely open-source, multi-band wireless testing toolkit that aims to be a more accessible and customizable alternative to commercial…

Porcospino Flex, A Bio-Inspired Single-Track Robot Porcospino Flex: Lightweight Design and Flexible Spine Enhance Robotic Performance

When robots face tight spaces and unpredictable terrain, most machines come to a stop. Researchers at the University of Genoa’s RICE Lab are changing that with Porcospino Flex, a bio-inspired single-track robot designed to go where traditional wheeled or legged robots fail. Inspired by segmented invertebrates, it features a flexible 3D-printed vertebral column made from ABS and TPU, allowing…

Top 10  Open-Source Robotic Arms For Beginners Top 10 Open-Source Robotic Arms For Beginners

A robotic arm is one of those classic projects that almost every electronics enthusiast tries at some point. It’s a perfect mix of mechanics, electronics, and hands-on creativity and building one teaches you more than any textbook ever could. When most people think of robotic arms, they picture the big, ultra-precise industrial robotic arm machines found in factories…

Precision Digital Micro Current Meter Build a Precision Digital Micro Current Meter with STM32

Keeping track of extremely low current levels is often essential when developing or testing low-power devices, especially in the field of embedded systems and battery-operated electronics. For battery-related diagnostics or energy-storage testing, the Building a Lithium Cell Capacity Tester tutorial offers a practical method for measuring cell performance over time.…

Dual Axis Solar Tracker Build an Arduino Dual Axis Solar Tracker System

Fossil fuels have been consumed rapidly over recent decades, and their availability is decreasing. Because of this, there is a growing focus on renewable energy sources. Solar energy is one of the most reliable options since sunlight is available throughout the day. Solar panels absorb solar radiation and transform it into electrical energy. The intensity and angle…

Makers Attempt to Build Underwater Vehicle to Outswim Sharks DIY Underwater Jetpack: Shark vs 100 kg of Thrust

Makers at the YouTube channel CPSdrone took on the challenge of trying to outswim a hungry shark. They pictured getting on the Aquadart 770 Extreme, which is supposed to go at a maximum speed of 25 km/h and saw themselves becoming lunch. On a mission to outperform this underwater sea scooter, they started with thrust testing motors in a water tank in their workshop. 

They tried the…

 Creator Builds Working H.E.R.B.I.E. Robot For Marvel Marvel Asked and a Creator Delivered a Working H.E.R.B.I.E. Built in Seven Days

Marvel asked content creator Frank to build a working replica of H.E.R.B.I.E., the robotic assistant from The Fantastic Four: First Steps, for the film's blue carpet premiere. With only seven days of time and help from engineer Danny, Frank built a fully animatronic H.E.R.B.I.E. using custom 3D models and off-the-shelf components.

A two-wheeled balancing robot called Diablo was used as…

Wearable Air Quality Pendant How to build a Wearable Air Quality Monitor Pendant using STM32 & SGP40 Sensor

Indoor and outdoor air pollution significantly impacts human health, causing respiratory issues and reducing life expectancy. Personal air quality monitoring has become essential for protecting ourselves from harmful airborne contaminants like volatile organic compounds (VOCs), particulate matter, and toxic gases. This DIY wearable air quality monitor pendant…

First Jet Hoverbike Opens for Preorders Soon World's First Jet-Powered Hoverbike Opens for Preorder on August 1

A futuristic personal flying vehicle we previously covered will soon be available for pre-ordering. The Volonaut Airbike, developed by Polish inventor Tomasz Patan, is a jet-powered hoverbike. It is designed for a single rider and is capable of going as fast as 200 km/h. However, this is limited to 102 km/h for compliance reasons. 

A standout feature of the Airbike is its jet…

Voice-Controlled Robot Built With ChatGPT and Pi This ChatGPT-Powered DIY Robot Has a Personality

YouTuber, Jack Of All Tech, in his new DIY project, combines a Raspberry Pi, ChatGPT, and Home Assistant to build a robot that almost feels human. It is voice-controlled and has an interface that's styled like a companion. With a dash of character, this build goes a level above a typical smart home setup.

The robot runs Home Assistant Supervised on Raspberry Pi OS Lite, giving it…