How a hamster ball and Blynk app can detect not only motion, but perhaps something paranormal?
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.
A tour of our humble R&D abode and some of the projects we've been cooking.
In this Enginursday, we'll explore some of the problems that can creep up when connecting I2C devices
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!
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.
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.
The market for connectors is enormous. Let's discuss how to find the connector that works for you.
Learn the basics of SPICE simulation with Linear Technologies' free LTspice program.
Our next installment in the Synth Saga fits in the palm of your hand!
Q&A With Jamie Robertson of Robertsonics
Setting up a sensor to text you if your basement is in danger of flooding
Revisiting the venerable HaterMatic project, with a Valentine's Day twist!
A brief overview of the new Raspberry Pi-based data-logging web server from Atlas Scientific
Looking to emulate modular synthesizers with the Teensy Audio platform? Read on!
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.
Using slow shutter-speed photography to capture sound waveforms
The most complicated, over-the-top, MacGyver-Van Damme'd remote-controlled laser!
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.
Check out the new and improved, tightened-up SparkFun Eagle libraries - now with uniformity, verified packages and documentation!
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!
-or- Engineering Is Always Yak-Shaving.
Create your very own levitating light with just a handful of parts.
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!
Make your own digital handpan drum using the Teensy Audio Shield and the Teensy's built-in capacitive touch inputs.
Creating your very own animated prop for Halloween utilizing the STK!
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.
Filter noise from your latest paranormal investigation field recordings, audio-capturing UAV or anything not related to either of those two things.
New tutorials and Arduino libraries for the DeadOn RTC and Real Time Clock module breakout boards – plus, a fun little analog clock project.
A few thoughts on prototyping and breadboarding
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?
We've made a "Stranger Things"-inspired message wall for your viewing (and tweeting!) pleasure.
This Enginursday tests a 7805 regulator with various heat sinks.
Playing around with auto-generating content, or predicting next words.
The Lone Sparksmen explore the old legend of Buckskin Joe and Silver Heels on their first paranormal investigation.
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?
Getting your plants up to Phant and digging in to IFTTT
How I taught my Amazon Echo to give me hyper-local weather reports
Stock photography babies show incompetent adults how to safely work with electronics.
An overview of IoT technology
Home automation with the ESP8266 is now easier than ever!
Watch and learn: a video about the design process for a mobile camera