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Heart rate monitoring over the Internet using ESP8266

“With the rapid development and maturing of internet-of-things (IoT) technology, the IoT-driven smart sensors and systems are changing business in multiple industries. In healthcare industry, it is gaining more attention lately because of its immense potential in reducing the cost …

Hinged triangle to square transformation

“It’s based on Hinged triangle to square transformation. Besides being a storage box, it can be a pen holder, a flower pot, etc.”

IoT Arduino Ball Tracking

“The advancement and development of high resolution per frame cameras in recent years motivate both engineers and students in the research and creation of applications based on “automated” computer vision algorithms, a frequent task and used for the tracking of …

Is a stretchable smart tablet in our future?

“Engineering researchers at Michigan State University have developed the first stretchable integrated circuit that is made entirely using an inkjet printer, raising the possibility of inexpensive mass production of smart fabric. Imagine: an ultrathin smart tablet that can be stretched …

It’s watering time!

“What this project is able to do is that when put into soil the soil moisture sensor is able to detect the amount of water in the soil and display the amount on the LCD screen. Then depending on the …

LM Desktop Container Creator

“This customizer creates 10 different desktop organizers, and each is emblazoned with your choice of cool Lockheed Martin military hardware designs. Open this thing in the Thingiverse Customizer to make a pen & pencil cup, business card/post-it tray, coaster, LED …

Make an “Air” Drum Kit with Curie

“I really like the Freedrum project and decide to do it on my own. Below is a step by step guide, modified from the VO in the video. By the way, VO is an AI voice, made by Amazon Polly …

NASA Releases Software Catalog, Granting the Public Free Access to Technologies for Earthly Applications

“NASA has released its 2017-2018 software catalog, which offers an extensive portfolio of software products for a wide variety of technical applications, all free of charge to the public, without any royalty or copyright fees. Available in both hard copy …

Parametric funnel and stand

“Customizable funnel with or without stand. A funnel where the main parameters can be changed. You either get a special stand with it or not. It is intended for light use. A few tea leaves rather than kilograms of sugar …

Robust design combining 74HC595, ULN2803, UDN2981 and BC327

“In some situations, in your designs with Arduino and microcontrollers, you can use a shift register like 74HC595 to directly trigger LED, LED array and displays, but if you check the datasheet, you will see that you need to be …