What Can You Do With Teensy?

Have a few Teensy's lying around or interested in working with the Teensy line, but overwhelmed by the possibilities? We've curated some cool projects that'll give you an idea of all the cool things you can do with a Teensy!

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SparkFun Teensy Project Inspiration

So, let's say you've got a few Teensy's lying around or have been interested in working with the Teensy line. Maybe you've been sitting on a Teensy or two, just waiting to be inspired to make your next project. This crazy fast microcontroller equips makers with a wide-range of potential use cases and possibilities - so many that it might even get a bit overwhelming. Good news! We've assembled some creative fodder from around the web for you to chew on while you contemplate what to make next with a Teensy.

In case you are out of the loop, the world is transitioning to the Teensy 4.x amidst 3.x shortages, which offers its own advantages in terms of processing power and performance. Still curious? Read this blog for the full rundown.

Pushed To The Limit

Still not convinced? Check out this project on Hackaday where [Visual Micro] tries to run one at 1GHz (not advised btw) .

In the time it took a stock Teensy to calculate 15.2 million prime numbers, the overclocked chip managed to blow through 21.1 million!

Heavy Payload Assistant

This project utilizes a Teensy 4.0 and a SparkFun Load Cell Amplifier to create "an autonomous robot that transports heavy payloads on programmable paths with obstacle detection capability" as part of a Purdue ECE Senior Design project.

The robot is remotely programmed by the user and stores paths into its memory, making its routes autonomous and repeatable.

Pinball Table

Want a pinball machine but don't have the space? MakerXYZ offers a creative solution by turning an old 1980 Bally Centaur pinball machine into a coffee table that you can actually play - very cool and retro!

MakerXYZ took a 1980 Bally Centaur Pinball Machine and converted it into a working and playable coffee table


As the creators of Teensy, Paul and Robin of PJRC host dozens of awesome projects on their site that highlight all the cool stuff you can make with a Teensy. With projects ranging from easy to really difficult, there's a little something for everyone here.

We've got everything you need to start working with this awesome hardware here at SparkFun. Check out our Teensy page to learn more.

Teensy 4.1

Teensy 4.1

Teensy 4.0

Teensy 4.0

Teensy 4.1 (Headers)

Teensy 4.1 (Headers)

SparkFun MicroMod Teensy Processor

SparkFun MicroMod Teensy Processor


Made something cool with Teensy? Let us know! Show us what you're up to on Twitter @sparkfun, or let us know on Instagram, Facebook or LinkedIn.

Comments 2 comments

  • jessejay / about a year ago * / 3

    I used a Teensy 3.5 in my AVC Rover
    And my remote control mower uses a Teensy 3.2.

    All my new projects are using the Teensy 4.0 and 4.1. They are amazing products and Paul gives the best support of any product I've ever seen.

  • Member #134773 / about a year ago / 2

    One of the things I really like about Teensy 4.x series is that the processors include a Real Time Clock (RTC), so that if you add a coin battery it can keep track of the time & date even when powered down. True, there are RTC "breakout$", but that'$ an additional co$t. (I guess I got spoiled about a decade ago when I was working with Microchip CPUs that included this feature. It's frustrating when the CPU chip includes an RTC, but the circuit board doesn't include a way to get to the chip's VBAT pin.)

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