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“Alarm clock with ramp-up light and music to get you out of bed on cold winter mornings A simple alarm clock build that wakes you up with both music and light. Each of the three alarms can be enabled for …
“Introduction Create a button that sends a customizable Auto-Response to your phone! This project uses Arduino to create an accessible solution for quickly sending pre-determined text to an application of your choosing with a simple push of a button. An …
“A mostly printed digital microscope powered by a Rasperry Pi Zero W This is a low cost digital microscope that can ouput a video signal over HDMI as well as capture 1920x1080@30fps video clips. It can be modified to …
“A friend is starting a small business that rents a resource for 30 minute time slots.She looked for a timer that could alarm every 30 minutes (on the hour and half hour) with a pleasant gong sound, but couldn …
“A tiny DC to DC buck converter board is useful for many applications, especially if it could deliver currents up to 3A (2A continuously without heatsink). In this article, we will learn to build a small, efficient, and cheap buck …
“Celebrating Halloween with 3D Printing After years of 3D printing skulls, ghosts, pumpkins, and the usual suspects, we decided to kick things up a notch for this years Halloween. We wanted to make something thats creative, terrifying, and bordering on …
“A low cost air quality monitoring device created with an aim to detect pollution hotspots caused due to traffic jams or factory emissions. Foreword The journey of this project began during a ‘Design Thinking’ project with a motive to design …
“Displays your pulse rate, blood oxygen level and a moving graph of each heart beat, the photoplethysmogram (PPG). This project implemented on an ATtiny85 displays a moving Photoplethysmogram together with pulse rate and estimates of SpO2 - blood oxygen percentage. It …
“A Cold junction In 1798, Jean Charles Athanase Peltier was just 13 years old and although he came from a poorly educated family in rural France, people already were beginning to notice the youngster’s intellectual talents. Besides being an …
“A couple of months back while checking out a few laser engravers on aliexpress, I came across some USB powered laser engravers, It was awesome that these could engrave on a variety of materials and also cut out shapes and …