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Some of my favorite builds, hacks and projects from the past year

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Build a party decoration that encourages partygoers to dance!

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Deck the beards this year with addressable LEDs

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Importing custom artwork into a PCB CAD program is a fun way to personalize your board.

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Meet Feldi!

Get to know SparkFun's newest Creative Technologist.

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How to set up an Arduino as an in-system programmer (ISP) and program an Atmel ATtiny84A to blink

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The case for formalizing free exploration opportunities

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There are two basic ways to connect electronic components with two terminals: series and parallel. In this episode, we examine those two types of circuits and show how to calculate equivalent resistance.

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Power is the rate of doing work, and for electricity, that means the rate in which energy is converted in a circuit.

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Let's look at the resistor and how it affects current and voltage in a circuit. Here's a hint: if you know two of either voltage, current or resistance, you can solve for the third.

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In this episode, we'll explore how electric current flows through a circuit.

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Over the next few weeks, we'll explore the basics behind electricity in a series of videos.

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Let's dissect another section of EdiBot 2.0 and learn how to spin DC motors with Python.

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The newest version of EdiBot relies on contour finding in OpenCV to locate and chase yellow objects.

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How to make faux neon signs with EL wire and rigid aquarium tubing

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Adding a chronograph to a Hot Wheels track to measure the speed of passing toy cars.

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What's inside the crowd participation wristbands you find at major events?

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Recent Blog Comments

Glancing through the RP2040 Datasheet, it appears that the RTC (which in Britspeak is being called a "Real Time Counter", but in Amerispeak…

This gives new meaning to the term em-"bed"ed electronics. (Sorry, just could not resist.)

Great article.... also check out Amphetamine (a free Mac App) to have great control over when your machine goes to sleep:…

Just about to descend the slippery slope into drone-dom. It all started with stumbling onto the Sparkfun...

I am building an embedded GRBL controller with a jog wheel and DRO. It can also read g-code from a sd card and act as a standalone g-code…

I've heard it said that weather prediction is the only job where you can be wrong 85% of the time and not get fired!

If I get my act together, I'll finally finish the A/C thermostat I built to turn onn/off the window AC unit automatically. I started that…

That sounds pretty awesome, keep us posted!

I found this page looking for the current consumption figure as well. Anyone got that? Does SparkFun follow up on this sort of question?

I'm currently building the Three Fives 555 timer kit from Evil Mad Scientists during my lunch break. I'm looking forward to building a…

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