Pavlov’s Cat

Time to get Pavlovian on your cat! Story If you ever tried to train a cat, you know how hard it is. Cats are their own masters, but now you have the chance to let the cats do your bidding using this IoT-enabled device. Welcome to Pavlov's Cat Experiment! In this project, you will learn how to teach your cat when it is (and isn't) dinner time using nothing but the components in the MKR IoT Bundle and some ca ...

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Fuel-gauge ICs help prevent battery clones

Description The MAX1720x/MAX1721x are ultra-low power stand-alone fuel gauge ICs that implement the Maxim ModelGauge™ m5 algorithm without requiring host interaction for configuration. This feature makes the MAX1720x/MAX1721x excellent pack-side fuel gauges. The MAX17201/MAX17211 monitor a single cell pack. The MAX17205/MAX17215 monitor and balance a 2S or 3S pack or monitor a multiple-series cell pack. To ...

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EmbeddedLab introduces us TI’s Tiva C MCUs

Most of us who work with electronics know the name of Texas Instruments (TI) as a manufacturer of several important digital and analogue ICs as well as fancy sophisticated scientific calculators. However many people don’t know that TI is also a manufacturer of some of industry’s best microcontrollers. TI’s portfolio of micros is pretty large. ARM micros are getting popular day-by-day and on that family of m ...

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The Angry Humidor (Humidor Monitor)

This project takes hourly temperature and humidity readings from a humidor. A Web API sends the readings to Azure SQL and Twitter. Story I WiFi enable something that that non-geeks would say "why did you do that?"   I added a MRK1000 to a humidor.  Every hour it sends temperature and humidity reading. Now according geek laws, if you WiFi enable something that should not be Wifi enable, you must give it a Tw ...

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Inside the tiny RFID chip that runs San Francisco’s race

How does a tiny chip time the runners in the Bay to Breakers race? In this article, I take die photos of the RFID chip used to track athletes during the race. Bay to Breakers is the iconic San Francisco race, with tens of thousands of runners (many in costume and some in nothing) running 12km across the city. To determine their race time, each runner wears an identification bib. As you can see below, the ba ...

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Smart Garage

Change the way you operate your garage! Things used in this project Hardware components Arduino MKR1000 × 1 GY-521 MPU-6050 3 Axis Gyroscope + Accelerometer Module For Arduino × 1 Ultrasonic Sensor - HC-SR04 (Generic) × 1 SSD1306 OLED I2C Display × 1 Relay (generic) × 1 Software apps and online services Arduino IDE Microsoft Visual Studio 2015 Microchip Atmel Studio 7 Optional Hand tools and fabrication mac ...

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World’s First 1,000-Processor Chip

A microchip containing 1,000 independent programmable processors has been designed by a team at the University of California, Davis, Department of Electrical and Computer Engineering. The energy-efficient “KiloCore” chip has a maximum computation rate of 1.78 trillion instructions per second and contains 621 million transistors. The KiloCore was presented at the 2016 Symposium on VLSI Technology and Circuit ...

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PuzzleBox

Protect your valuables with a puzzle! Things used in this project Hardware components Arduino MKR IoT Bundle × 1 Software apps and online services Blynk Story Keeping your valuable items away from prying eyes can be hard sometimes, unless you put it in a big safe or something similar... but who has room for that? Instead, create your own puzzlebox using the components from the MKR IoT Bundle and some cardbo ...

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Full featured Arduino DSLR Intervalometer

Have you ever felt like creating one of those city street time lapses that you see on the internet or recording the blooming of a flower through a time lapse or maybe create a night sky panorama of the milky way drifting in the background? Well, now you can do so with your own custom made and designed intervalometer. Some DSLR's have an intervalometer inbuilt but they usually limit you to a few photograph p ...

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Love You Pillow

Open source is love, and so are hugs!   Things used in this project Hardware components Arduino MKR IoT Bundle × 1 Software apps and online services Telegram Story We all know that being without that special person in your life can be difficult, but what if you could send love and affection remotely over the Internet by just hugging a pillow? Now, we can't really send hugs... but what we can send is a ...

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Dynamic-load circuit determines a battery’s internal resistance

The simplest model of a battery comprises an ideal voltage source that connects in series with a resistance whose value—often a few milliohms—depends on the battery's electrochemical condition and construction. If you attempt to use an ordinary ac milliohmmeter containing a kilohertz-range ac excitation source to measure a battery's internal resistance, you get erroneous results due to capacitive effects, w ...

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Home Automation System for a Camp with Cellular Internet

Wouldn't it be nice if you could start warming up the camp before you leave the house? How about using Alexa to do it for you! Things used in this project Hardware components Amazon Alexa Echo Dot × 1 Arduino MKR1000 × 1 ControlEverything.com Relay Shield for Particle Photon I²C 8-Channel SPDT 10-Amp This one says its an i2c relay shield, the one I used was just an opto coupler relay shield with 8 input pin ...

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