If you’d like to increase the security of your garage door, or you are just interested in learning more about cryptography, then read on! At its core, this project is simply about a secure wireless button. This could be used to trigger any number of things, so we hope it can inspire message security on…
Usually IR sensors are used to detect the presence of human or any other infrared objects. But the Grove Human Presence sensor has 4 IR sensors integrated. You can not only detect human presence or motion, you could even use the data to determine the movement direction of the infrared object. So in this project…
In this project we will create this box to come up with something that we would like to do or change, such as going to the gym more or keeping the house clean. To do it we will use a 3D printer for some parts of the box and a Nema 17 with DRV8825 motor…
Is you transistor running hot and needs cooling down? If you do not have a heatsink handy to make it run cooler in your amazing new idea that you are prototyping then this project is going to show you to create a heatsink for it. More info Try Fishino boards, our 100% Arduino compatible boards.
https://youtu.be/kvD_sWymHHE Inspiring by the meaningful name of “A Song of Ice and Fire”, I made a mini fireplace that combine these two opposing elements in the nature, hoping to pass the warmth and hope in this winter. If you would also like to have a fireplace in your house, or especially you are a fan…
Let there be light! In this tutorial we’ll build a basic magnetic levitator. This guide will go over some of the theory, how to use a magnetic field sensor, and how to use one to build a basic levitation circuit. Finally, we’ll go a bit further and build a wireless power floating light. …
The idea of smart locks has been out for a while, but at the end of the day, people still end up carrying either RFID or just use the lock itself. We pretty much carry our phone all the time now, and by the time we are at the door we are automatically connected to…
Storing of memory is a very important technology. This is possible due to semiconductors. And we have the ability to store digital data due to flip-flops and latches. Starting off, we will first see what latches are. Then we will what flip-flops are. And then compare them with latches. Finally, we will see the different…
Toray Industries has announced Torelina, a new type of polyphenylene sulfide (PPS) film highlighted for its dielectric characteristics, flame retardancy, and chemical robustness. The new, proprietary technology controls the crystal structure of PPS films while improving thermal resistance. By controlling the orientation of film molecular chains, Torelina is said to attain a 98ppm/°C coefficient of thermal expansion in the thickness direction. More info…
Upgrading your house to the convenience of home automation is a daunting task. Different protocols and different compatibilities for every device or appliance makes the transition difficult. Replacing all the existing appliances with IoT devices is possible, but it is extremely costly. Imagine if there was a way to enjoy the benefits of customized…
In this project I’m going to show you how to make a pair of LED pixel shades. Originally I created these to wear around the house at Christmas / New Years, sort of as a mobile ornament, but they ended up being a bit more cyberpunk than I anticipated, so they should be fun…
This project is motivated by Purdue University Electrical Engineering Senior Design, ECE 49022. Our team has collectively decided to make a “from scratch” DC Regulated Benchtop Power Supply. This product is aimed at a typical electronics hobbyist, and is capable of 0-32V and 0-3A, with constant voltage and constant current modes. It interfaces with…
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