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70 volts measured on the PHY side of an Ethernet transformer during a hot-plug event, on a circuit rated for 3.3V. It's really an analog problem disguised as a digital one.
This is the latest Paul's Deep Dives post. Read all about it at
bit.ly/4AMB6cH
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We dug into the full analog side of Ethernet on Teensy 4.1, including where MAC addresses actually live, how transient protection works (and fails), and why transformer isolation isn't the same as transient immunity. news.sparkfun.com/17301
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When we talk about @xrpRobots, the conversation is often around middle- + high-school classrooms, but XRP is being used in colleges and universities too!
Let's see what @WPI, @CornellSystems, CU Boulder, NH Community Colleges, and @MNSUMankato are doing!
hubs.ly/Q04yv6lB0
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The new SparkFun STCC4/SHT40 Qwiic CO2 Sensor is a simple indoor air quality breakout that measures CO2 concentration.
While most sensors measure estimated CO2 concentration, this uses thermal conductivity to directly measure actual CO2 concentrations.
hubs.ly/Q04ymPyd0
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Teaching robotics doesn't have to be difficult! With the XRP, you can progress students from Blockly to MicroPython, adding sensors and learning skills like computer vision along the way.
One robot enables years of learning!
Learn more at hubs.ly/Q04y8KhG0
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Introducing the new Qwiic Formaldehyde Sensor, utilizing the miniature SFA40 from @sensirion!
The SFA40 from Sensirion is an electrochemical sensor that maintains accurate formaldehyde measurements in environments that have other common indoor gases!
hubs.ly/Q04xVlQk0
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Ever wanted to make a human motion alarm (not to be confused with just a motion alarm)? Now you can! Using just a Teensy, a sensor, and a few small parts, professional maker Jeremy Cook shows us how simple this practical project can be!
Learn how at hubs.ly/Q04xN6BD0
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The XRP wasn't designed to be a "build it once and move on" robot. Start with Blockly, move to Python, add sensors, experiment with autonomous robotics, keep going.
It's less about one robot, and more about how far you can take it.
Try for yourself at hubs.ly/Q04xH7Xd0
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Insanely cool project from Reddit popped on our radar. The M.U.L.D.E.R. Unit is a Paranormal Investigation Device this user built to connect with their kids over "spooky stuff." This is a no-solder build that incorporates a bunch of SparkFun parts!
hubs.ly/Q04xgMZn0
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The idea behind DMA is straightforward: instead of having the CPU repeatedly move data between a peripheral and memory, configure the DMA hardware to do the transfers for you. The difficult part is figuring out how all the pieces fit together.
Learn more!
bit.ly/4dzXk7N
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How to install CH340 drivers on multiple operating systems
Get started: digikey.com/en/maker/tutoria…
📸@sparkfun
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Open-source Teensy-compatible audio processor? Sign us up! Great find on @Hacksterio covering the Songbird, which you can find over at @crowd_supply. Perfect for making your own instruments, art installations, sound inventions etc.
bit.ly/4A2p9zh
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If you've been surprised to see all the Teensy content coming from SparkFun... don't be! For instance, we just teamed up with Open Board Guide's own David @IShJR Groom to update our "Getting started with Teensy" guide to get new users get up and running!
bit.ly/468wgsg
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We're Hiring!
Curious about what it's like to work at SparkFun, a leader in open-source innovation? From a creative and technical content specialist to embedded hardware and software roles, we have some great positions open!
Learn more at bit.ly/4x70eYQ
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Add High-Precision GNSS, Sensors, and Robotics Functions to your @nvidia Jetson Orin Nano Super Developer Kit!
Extending the functionality of your Jetson Orin Nano is simple with our pHATs and the Qwiic connect ecosystem - no soldering required!
hubs.ly/Q04v-_ds0
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Now for this week's (Non-Invasive) Current Events:
We have three new non-invasive current-sensing products that help you monitor power data, and stick around to check out the new Raspberry Pi Compute Module and STC31 CO2 Sensor price drop!
hubs.ly/Q04vKKBH0
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Dive into the deep end with us again in our newest addition of Paul's Deep Dives: Unleashing FlexIO - Building the Interfaces Teensy 4 Wasn't Born With!
hubs.ly/Q04vCmRL0
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We've got some great stuff for you to check out this week, from Digital-to-Analog-to-AI-to-LiDAR!
Featuring a revised Digital-to-Analog Converter Breakout, an interactive AI development tool from Espressif, a new LiDAR from Benewake, and FPGA ICs!
hubs.ly/Q04tTMT20
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Is this the best way to learn robotics?
We think so, and so do countless others! With a natural progression through projects and coding languages, the Experiential Robotics Platform (XRP) supports years of learning with just one kit!
Learn more at hubs.ly/Q04tK2FN0
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