Enginursday: The Look - the Feel - of Concrete

June 22, 2017

Inspired to try something new for International Week of Making, Mary mixed and poured concrete over electronics in her office.

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Enginursday: Pressing Our Buttons

June 15, 2017

A Cherry MX keyboard for Eagle shortcut keys

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Enginursday: Would you like to play a game?

June 8, 2017

Fence-a-Mole: A real-world "fencing training" game made using XBee and the ADXL345

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Enginursday: Apogaea and the Propagand-Eye

June 1, 2017

Learn about the Propagand-Eye, a custom badge created for a soldering workshop at the Colorado Burning Man regional event, Apogaea.

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Enginursday: 60 USB Chargers in Parallel

May 25, 2017

Here I've got 60 USB charger power supplies wired in parallel, just to see what happens.

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Enginursday: ComSphere

May 18, 2017

How a hamster ball and Blynk app can detect not only motion, but perhaps something paranormal?

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Enginursday: DIY vs. off-the-shelf

May 11, 2017

A lot of the questions we field are related to accomplishing something cheaper via DIY. Until recently, chances of succeeding were variable, but things are starting to change.

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Making the SparkX Lab

May 4, 2017

A tour of our humble R&D abode and some of the projects we've been cooking.

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Enginursday: I2Considerations

April 20, 2017

In this Enginursday, we'll explore some of the problems that can creep up when connecting I2C devices

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Enginursday: A Bigger & Better Mixer

April 6, 2017

-or- How I spent my winter vacation.

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Enginursday: Home-Brew Alexa Endpoint

March 30, 2017

Amazon has released an example allowing you to create an Alexa endpoint on a Raspberry Pi 3 (or 2B). It's free and open source, so you can tear it apart, see how it works and modify it as you see fit!

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Enginursday: Battery Management

March 23, 2017

This post explores how to use the power control features of the Battery Babysitter to make a product with the features we expect from portable embedded electronics.

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Enginursday: Pandora's Box - The Moving Motion Detector

March 16, 2017

As I've been on location the past couple months attached to a secret project, I decided this week's build was going to be a motion detector I could use in the field.

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The Wild World of Connectors

March 9, 2017

The market for connectors is enormous. Let's discuss how to find the connector that works for you.

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Enginursday: Getting Started with LTspice

March 2, 2017

Learn the basics of SPICE simulation with Linear Technologies' free LTspice program.

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Enginursday: The Macchiato Synth and MIDI Tools

February 23, 2017

Our next installment in the Synth Saga fits in the palm of your hand!

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Enginursday: New Product Sneak Preview

February 16, 2017

Q&A With Jamie Robertson of Robertsonics

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Enginursday: Creating a Smart Water Sensor with the ESP32 Thing

February 9, 2017

Setting up a sensor to text you if your basement is in danger of flooding

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Enginursday: The LoverMatic

February 2, 2017

Revisiting the venerable HaterMatic project, with a Valentine's Day twist!

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Enginursday: Eniac, The Data-Logging Web Server

January 26, 2017

A brief overview of the new Raspberry Pi-based data-logging web server from Atlas Scientific

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Enginursday: The Pro-One and Proto-8 Synthesizers, with Teensy!

January 19, 2017

Looking to emulate modular synthesizers with the Teensy Audio platform? Read on!

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Enginursday: Voltage Regulator Temperature Mobile App

January 12, 2017

We've created an iOS and Android app that calculates if the power requirements of a linear regulator cause the temperature of the device to rise to unsafe, component-damaging levels.

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Enginursday: Sound Wave Printing

January 5, 2017

Using slow shutter-speed photography to capture sound waveforms

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Enginursday: Mort and Mary Present...Fun with Sockets, Part Deux - Old Products Never Die

December 29, 2016

The most complicated, over-the-top, MacGyver-Van Damme'd remote-controlled laser!

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Best of 2016 at SparkFun

December 23, 2016

There was plenty of good stuff in 2016!

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Enginursday: Fun with Sockets

December 22, 2016

These Raspberry Pi tips and Python tricks let you take your sensing projects off the desk and into the wild with wireless transmission and processing of data.

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Enginursday: The Great Eagle Library Cleanup of 2016

December 15, 2016

Check out the new and improved, tightened-up SparkFun Eagle libraries - now with uniformity, verified packages and documentation!

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Six Patents That I'm Going to Need, Like, Yesterday

December 8, 2016

We rag on the patent system pretty often here in Open-Source-Landia. Let's take a look at a few positive contributions patent holders are trying to make to our lives!

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Enginursday: This Should Be Easy, Right?

December 1, 2016

-or- Engineering Is Always Yak-Shaving.

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Enginursday: Levitating Light

November 17, 2016

Create your very own levitating light with just a handful of parts.

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Taking Your PiRetrocade to the Next Level

November 10, 2016

I started with a PiRetrocade kit and kept adding until I had a major appliance on my hands: my very own full-size arcade cabinet!

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Enginursday: Digital Handpan

November 3, 2016

Make your own digital handpan drum using the Teensy Audio Shield and the Teensy's built-in capacitive touch inputs.

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Enginursday: Haunted Spirit Board

October 27, 2016

Creating your very own animated prop for Halloween utilizing the STK!

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Enginursday: Playin' with Parylene

October 20, 2016

Conformal coatings have always been a big thing in the electronics world, but you rarely see it in the hobbyist/prototyping market. Here's our experience and where it is beneficial to use.

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Enginursday: Acoustic Noise Cancellation with Adaptive Signal Processing

October 13, 2016

Filter noise from your latest paranormal investigation field recordings, audio-capturing UAV or anything not related to either of those two things.

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Enginursday: Battle of the RTC

October 6, 2016

New tutorials and Arduino libraries for the DeadOn RTC and Real Time Clock module breakout boards – plus, a fun little analog clock project.

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Enginursday: Lessons Learned at the Workbench

September 29, 2016

A few thoughts on prototyping and breadboarding

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The Official Stock Photo Guide to Solar Power

September 22, 2016

Your farm-to-table walkthrough of solar power: Where does it come from, where does it go, and how many suns will you need for YOUR project?

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Enginursday: SparkFun Pong

September 15, 2016

A new twist to the classic party game, Beer Pong!

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SparkFun Things

September 8, 2016

We've made a "Stranger Things"-inspired message wall for your viewing (and tweeting!) pleasure.

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Enginursday: JavaScript ... the future of IoT?

September 1, 2016

How JavaScript has evolved into a language supporting an entire ecosystem of devices

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Enginursday: Linear Regulator Thermal Tests

August 25, 2016

This Enginursday tests a 7805 regulator with various heat sinks.

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Enginursday: Artificial Text

August 18, 2016

Playing around with auto-generating content, or predicting next words.

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Ghostly Gadgets - The Lone Sparksmen

August 11, 2016

The Lone Sparksmen explore the old legend of Buckskin Joe and Silver Heels on their first paranormal investigation.

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Enginursday: How useful are free tools?

August 4, 2016

When you're advertised free toolchains or free value-add, you're skeptical. Ninety-five percent of the time, you're correct, but does that mean the tool isn't worth it?

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Enginursday: SWIT Plant Monitor

July 28, 2016

Getting your plants up to Phant and digging in to IFTTT

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SparkFun + Bocoup <3 NodeBots Day

July 21, 2016

Join hundreds of makers and hackers around the world to learn about building robots with JavaScript.

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Enginursday: Creating a Custom, Phant-Interfacing Alexa Skill

July 14, 2016

How I taught my Amazon Echo to give me hyper-local weather reports

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Inflatable Friends

July 7, 2016

Make friends using simple inflatable robotics.

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Enginursday: Even a child could do it!

June 30, 2016

Stock photography babies show incompetent adults how to safely work with electronics.

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