We head to CU to see what cool projects the students are making for their final projects.

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We bid farewell to a SparkFun classic but open the door to the next chapter in project-based blog posts.

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ESP32 Relay Web Server, Part Two

It's been a while; today we'll look at serialization using the ArduinoJSON library.

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Let's go over when something like an Arduino or Teensy is more appropriate than using a Raspberry Pi.

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Overview of a small, home-built cart to make soldering, reworking, and electrical testing easier at home

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In a previous blog post we showed off a custom macro keyboard. In this week's post, we update it to make it wireless!

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Remember that Magic Mirror? We now have a tutorial surrounding it, and we've done some super sweet formatting with CSS! Check it out!

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Measure the ambient temperature of the room with either the TMP117 or TMP102!

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Let's take a look at the pros and cons of traditional mechanical relays vs solid state relays.

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I've been crafting a web interface to update an ESP32 using BLE. Check out the tutorial!

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Grab some parts, strap a servo on it, and you'll be reflowing solder in no time!

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No, we're not talking about hiding in bushes with long zoom lenses waiting to see what Tom Cruise is wearing today...

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The current pandemic is creating havoc all over. Supply chain impacts might not be instantly apparent, but manufacturers closing is just the tip of the iceberg.

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A short look back at a test-fixture designed to increase efficiency for future development.

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Discussing what thermal resistance is, how it’s used for thermal management, and how to maximize the life of your project.

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Using encoder feedback to control two DC motors, this robot is self-correcting!

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Facing the daunting task of wiring together 192 of the same I2C sensor inspired a creative solution.

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Comparing analog and digital temperature sensors TMP36, TMP102 and TMP117. Which is better?

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May I ask which brand of ceramic capacitors you are using?

Awesome muscle sensor design!

Why not use the SparkFun IR Array Breakout, and detect if there are people in the room? https://www.sparkfun.com/products/14843 For instance…

Oh my God! What an amazing and creative electronics project! I think it can be used in many families with cats…

Thanks for the response! Yes, it looks like the images are now correct. (BTW, the egg came more than 100 million years before chickens…

Hi! Sorry about the broken links (gray "slash box") last week with the Qwiic "Narrow" OLED Display's section. The images were in a different…

I noticed that Rob has an interesting collection of games on his bookshelf, though I didn't spot one of my favorite games: Dominion.…

Chris, Couple of minor documentation issues on the [SparkFun Qwiic OLED Display (0.91 in.,…

Just added in the video above. The examples start around the 9 minute mark. Enjoy!

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