iiinova — where your digital self keeps evolving

Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 30/09/2026

CHWTT upgraded his custom 5-channel motorized fader. By using a Teensy 4.1 he had all the I/O needed and the processing power to add more features such as OLED scribble strips, additional controls, and better control for the motors. www.pjrc.com/motorized-fa...

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Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 24/09/2026

Yongsup Park has created a high speed pulse counter using a Teensy 4.1 that is reliable down to an impressive 20 ns. The performance of this project is starting to rival equipment that costs significantly more than the powerful 600 Mhz Teensy 4.1 www.pjrc.com/high-speed-p...

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Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 16/09/2026

Alnwlsn revived a robotic arm found in surplus. While most people would have used an FPGA to control the arm,they selected a Teensy 4.1 for the job, using nearly every pin in the process. www.pjrc.com/robot-arm-co...

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Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 10/09/2026

Mike Ute created a MIDI to hardware interface using a Teensy 4.0. This handy device serves as an interface between hardware in-outputs and MIDI. This could be very useful for creating an interactive effect or other creative projects. www.pjrc.com/midi-to-hard...

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Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 02/09/2026

Ken Shirriff used a Teensy to create a USB interface for the original Douglas Engelbar keyset. The Teensy 3.6’s USB host and device capabilities helped breathe some life into this vintage technology. www.pjrc.com/original-eng...

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Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 24/08/2026

Piotr Zapart has created another guitar pedal powered by the Teensy 4.1. The of the TGX4 was to create a nice set of guitar and bass tones while keeping the build simple and costs modest. He more than delivered with a sleek design that puts out great sound. www.pjrc.com/guitar-amp-m...

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Reposted by Paul Stoffregen

Robin Coon @mizrobinc.bsky.social · 20/08/2026

Chris Rees used a Teensy 3.2 in a Spooktacular Halloween light show. If you haven't already, it's time to start planning how to light up your haunted home. www.pjrc.com/spooktacular...

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Paul Stoffregen @paulstoffregen.bsky.social · 14/08/2026

Nick Culbertson created a synth inspired by the iconic Minimoog Model D. He used a Teensy 4.1 for it's pin count and USB Host capabilities. Add in the synth features in the audio library and this project became a success. www.pjrc.com/diy-minimoog...

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Paul Stoffregen @paulstoffregen.bsky.social · 10/08/2026

Ben Gruver designed his own replacement to a discontinued keyboard. His 3D printed lalboard uses a pair of Teensy 2.0s and was designed by using custom molds of his hands and wrists for that true custom fit. www.pjrc.com/unconvention...

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Paul Stoffregen @paulstoffregen.bsky.social · 07/08/2026

ElectronDon66 created a Teensy 4.0 based Directional Gyro. It features a round TFT display and because it doesn't use a magnetometer it's immune to magnetic disturbances caused by things like ferrous metals and electric motors. www.pjrc.com/directional-...

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Paul Stoffregen @paulstoffregen.bsky.social · 05/08/2026

Arvind Singh designed and built a custom Rubik's cube solving machine. Aptly named S.A.R.C.A.S.M it's powered by a Teensy 4.1 to drive multiple servos and a stepper motor. He may call it slightly annoying, but it's also remarkably entertaining. www.pjrc.com/rubiks-cube-...

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Paul Stoffregen @paulstoffregen.bsky.social · 31/07/2026

Holger Wirtz upgrated his MicroDexed synthesizer to include a TFT Touch Display and the ability to add custom samples by utilizing the PSRAM available on the Teensy 4.1 www.pjrc.com/microdexed-t...

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Paul Stoffregen @paulstoffregen.bsky.social · 27/07/2026

Michael Rechtin is building a DIY Motion simulator using a Teensy 4.0 to control the stepper motors that deliver a realistic motion experience to transform a computer simulation into a more authentic flying experience. www.pjrc.com/diy-motion-s...

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Paul Stoffregen @paulstoffregen.bsky.social · 24/07/2026

phjanderson made TeensyMix Synth, an 8-voice polyphonic synthesizer powered with a Teensy 4.1. Designed to be an easy build it is controlled using dials, sliders, and buttons - no complicated menus to use the the impressive list of features. www.pjrc.com/teensymix-op...

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Paul Stoffregen @paulstoffregen.bsky.social · 20/07/2026

Frost Sheridan updated a 1980s-era Kodak MegaPlus 4.2i using a Teensy. Teensy 4.1 was a natural choice to build the required frame-grabber thanks to the onboard RAM and built-in microSD card socket. www.pjrc.com/80s-megapixe...

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Paul Stoffregen @paulstoffregen.bsky.social · 16/07/2026

Nathan "Acorn" Pooley created a terrifying and endearing dragon halloween costume using a Teensy for the mechatronic aspect of the design. It's never too early to start planning your epic costume so you can dress to impress, or scare as the case may be. www.pjrc.com/dragon-hallo...

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Paul Stoffregen @paulstoffregen.bsky.social · 13/07/2026

Nathan DeVrio and Chris Harrison designed a haptic feedback device powered by the Teensy 4.1. Reel Feel enhances the VR experience by adding the tactile sensation lacking in most AR/VR/XR systems. www.pjrc.com/reel-feel-ha...

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Paul Stoffregen @paulstoffregen.bsky.social · 09/07/2026

Hartmut Grawe created LispDeck, a handheld cyberdeck powered by Teensy 4.1 that runs uLisp, a microcontroller-optimized version of Lisp. Gone are the days of needing a mainframe your Lisp code. www.pjrc.com/handheld-lis...

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Paul Stoffregen @paulstoffregen.bsky.social · 07/07/2026

Mark "The Electronic Engineer" Donners used Teensy 4.0 to make vocoder that make you sounds like a Cylon from Battlestar Galactica. www.pjrc.com/spectrum-ana...

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Paul Stoffregen @paulstoffregen.bsky.social · 22/06/2026

Researchers Jéssica Cristina Tironi, Anita Fernandes, et all developed a Teensy-powered self-stabilizing pen that counters hand tremors in Parkinson’s patients www.pjrc.com/self-stabili... Image is an illustration from academic paper, not actual photo of the prototype

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Paul Stoffregen @paulstoffregen.bsky.social · 15/06/2026

Craig Barnes has created a Teensy 4.1-based bi-timbral synth controller with 64 split upper/lower channels of ControlVoltage (CV) www.pjrc.com/bi-timbral-s...

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Paul Stoffregen @paulstoffregen.bsky.social · 11/06/2026

Small epiphany... Sindri, last legendary weapon crafting dwarf after murder of his brother Brok in God Of War Ragnarök, is the analogue of Marvel Cinematic Universe Dwarf whose name I don't recall, but let's just go with Tyrion Lannister.

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Paul Stoffregen @paulstoffregen.bsky.social · 08/06/2026

We're beta testing toolchain update for Teensy, from gcc 11.3 to 15.2. forum.pjrc.com/index.php?th... Now are release candidate testing stage... the perfect time to jump in a check if your project works with the updated compiler.

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Paul Stoffregen @paulstoffregen.bsky.social · 04/06/2026

Trevor Flowers has created 1/3 scale replica of the 1978 DEC VT100 computer terminal, complete with functional Teensy 4.1-powered keyboard www.pjrc.com/13-scale-vt1...

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Paul Stoffregen @paulstoffregen.bsky.social · 03/06/2026

Keith Baxter a unique device named the Zen Flute. Perhaps best described as a "mouth Theramin", the instrument uses changes in the shape of your mouth (rather than blowing into the mouthpiece) to control the pitch of a Shakuhachi-like synthesizer system www.pjrc.com/zen-flute-mo...

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Paul Stoffregen @paulstoffregen.bsky.social · 21/05/2026

Cathy Fang, Yang Zhang, Matthew Dworman and Chris Harrison created Wireality: a haptic system that simulates the experience of encountering physical obstacles in VR. Teensy receives VR commands to control solenoid-driven pawls. www.pjrc.com/vr-haptic-fe...

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Paul Stoffregen @paulstoffregen.bsky.social · 20/05/2026

Karan Ahuja, Sujeath Pareddy, Robert Xiao, Mayank Goel and Chris Harrison have created LightAnchors — a new technology for AR anchoring and data transmission using existing light sources such as LEDs and light bulbs www.pjrc.com/ar-anchors-a...

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Paul Stoffregen @paulstoffregen.bsky.social · 16/05/2026

Carlos converted a small Harbor Freight Predator 212 engine from carburetion to Electronic Fuel Injection using Teensy 4.0 www.pjrc.com/engine-fuel-...

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Paul Stoffregen @paulstoffregen.bsky.social · 14/05/2026

PJRC website and email are back up. Hosting company replaced the SSD hard drive. Took several hours to restore everything from backup.

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Paul Stoffregen @paulstoffregen.bsky.social · 13/05/2026

PJRC website and email are down today. Hosting company is replacing the server's SSD.

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Paul Stoffregen @paulstoffregen.bsky.social · 11/05/2026

Teensy hobbyist 1101010 has created a charming project named "Dial-a-Memory." The system uses Teensy plus Audio Adaptor Board to play various audio files depending on the number dialed on the attached telephone www.pjrc.com/dial-a-memory/

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Paul Stoffregen @paulstoffregen.bsky.social · 06/05/2026

Final Dave has written an extensive blog post detailing how to create your own electronic drum set (and glove!) using Teensy pjrc.com/electronic-d... finaldave.com/how-to-build... We don't have many pictures for this project, but Dave's article has a tremendous amount of info!

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Paul Stoffregen @paulstoffregen.bsky.social · 04/05/2026

Andrew DeLisa has created a Teensy-based open source software and hardware solution for the measurement of voltage and current data in embedded systems www.pjrc.com/powerprof-po...

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Paul Stoffregen @paulstoffregen.bsky.social · 29/04/2026

Branden Hall and his son, Kai created a story-driven interactive art installation inspired by narratives like Carl Sagan’s Contact and The Last Starfighter for the Constellation regional BurningMan event www.pjrc.com/sidereal-art...

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Paul Stoffregen @paulstoffregen.bsky.social · 29/04/2026

Mechanical engineer and YouTuber Clay Builds restored late-90s Nomadic Technologies N150 robot using Teensy 4.0 and ESP32 and the original ultrasonic rangefinders and bump sensors www.pjrc.com/rebrained-re...

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Paul Stoffregen @paulstoffregen.bsky.social · 22/04/2026

Brett Gossage has put together a ten-minute video guide to using USB MIDI with Teensy, including how to interface a classic 5-pin MIDI DIN connector to a modern Digital Audio Workstation. Older content but still applies to latest Teensy models. www.pjrc.com/usb-midi-how...

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Paul Stoffregen @paulstoffregen.bsky.social · 21/04/2026

Jean-Marc created the tiny, Teensy 4.1-based, T-COMPUTER, a full-featured handheld computing platform, with 42 keys and a built-in 320×240 TFT display. It runs SUPERNES emu! www.pjrc.com/t-computer-m...

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Paul Stoffregen @paulstoffregen.bsky.social · 16/04/2026

Andrei Holingher built a NixieTube Audio Spectrum Analyzer with a digital optical audio input processed by the Teensy Audio Library www.pjrc.com/nixie-tube-a...

16 vertical glass tubes each with orange light, attached to a row of circuit boards mounted to a wooden base, sitting on a desk in front of computer monitors, keyboard, and headphones

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Paul Stoffregen @paulstoffregen.bsky.social · 14/04/2026

James Bruton has created a "screw bike" in the vein of screw-drive tanks, with the additional feat of making it self-balancing. The bike features Teensy 4.1 boards to control its ODrive motors via CAN bus, while IMUs work with the Teensy to help keep things upright www.pjrc.com/self-balanci...

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Paul Stoffregen @paulstoffregen.bsky.social · 13/04/2026

Andy Belov created a general-purpose Teensy-based programmable musical instrument, with 18 touch sensors, a touchscreen, MIDI, Bluetooth, and colorful front panel. www.pjrc.com/programmable... This is an older project, some info is gone, but source code is still on github.

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Paul Stoffregen @paulstoffregen.bsky.social · 13/04/2026

Tested cheap I2C character LCD with Teensy and Wire2 port. Works fine, but only with 5 volt power. forum.pjrc.com/index.php?th... Electronics can be tough. A "simple" power incompatibility can turn into confusion quagmire of libraries, ports, wiring, and whether it works at all.

Solderless breadboard with Teensy 4.1 and wires connected to display showing "Hello, world!"

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Paul Stoffregen @paulstoffregen.bsky.social · 09/04/2026

Ted Fried, aka MicroCore Labs, is back with another Teensy-based drop-in CPU emulator, this time for the 16/32-bit Motorola 68000, as seen here running on an original Macintosh 512K motherboard www.pjrc.com/mcl68-68000-...

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Paul Stoffregen @paulstoffregen.bsky.social · 07/04/2026

Emmanuel Presselin has released a 2nd edition of the Teensy-powered MiniTouch low-cost synth, with a larger 18-note capacitive touch keyboard, two oscillators, 8-voice polyphony and a BOM cost of just $35 www.pjrc.com/minitouch-2-0/

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Paul Stoffregen @paulstoffregen.bsky.social · 07/04/2026

It's not a frequently asked question, but does come up occasionally, how to connect multiple SD cards. Starting today, Teensy's SD library has a 4 SD card example.

Solderless breadboard with Teensy 4.1 having an SD card and 3 more SD card adaptor boards, connected to many wires to Teensy 4.1 pins.

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Paul Stoffregen @paulstoffregen.bsky.social · 06/04/2026

ThirdEarthDesign has shared their first Teensy project, a SimRig button box. Based on the Teensy 4.1, it uses a custom joystick interface via USB HID to extend the functionality of an already-impressive rig. www.pjrc.com/racing-rig-d...

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Paul Stoffregen @paulstoffregen.bsky.social · 03/04/2026

lokki, who you may recall from their unique MIDI Bass Guitar project, is back with another fun musical creation, this time in the form of an infrared foot controller — sort of like a giant KaossPad for your toes! www.pjrc.com/xy-midi-foot...

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Paul Stoffregen @paulstoffregen.bsky.social · 31/03/2026

Nick Culbertson, who you may recall from the ("world’s smallest?") Mini MIDI Controller project, is back with more Teensy-based synth goodness, this time in the much larger, cigar-box-sized Teensy Arcade Synth www.pjrc.com/teensy-arcad...

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Paul Stoffregen @paulstoffregen.bsky.social · 30/03/2026

Markus Gruen developed RTMC (Real Time Measure and Control), a universal data acquisition, logging and I/O system. The Teensy 4.1-based platform enables data capture from any I2C, SPI, RS-232, or analog sensor. www.pjrc.com/universal-da...

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Paul Stoffregen @paulstoffregen.bsky.social · 26/03/2026

DrM is back with a new Teensy powered controller for the Hamamatsu S11639-01 linear CCD sensor, with the aim of making scientific instruments more affordable and accessible. www.pjrc.com/hamamatsu-cc...

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Paul Stoffregen @paulstoffregen.bsky.social · 25/03/2026

Always a good day when another @oshpark.bsky.social purple package arrives!

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