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...

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...

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...

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

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...

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.

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.

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...

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...

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...

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...

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

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

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

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/

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!

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...

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...

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...

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...

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...

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...

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...

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.

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.

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-...

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/

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.

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...

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...

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...

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...

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...

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

YouTuber Stuff Made Here has shared the latest evolution of his intelligent basketball hoops, this time in the form of the ball-seeking hoop. Powered by a Teensy, this robotic backboard moves to ensure every shot ends with a satisfying swish. www.pjrc.com/ball-seeking...

After more than a year of development, sucofunk released Beatmaker's Sketchbook, a Teensy 4.1 based Open Source sampler and sequencer. It follows a "Sample, Sketch, Arrange, Play" workflow to help take your ideas from simple noodling to live performances. www.pjrc.com/beatmakers-s...

Andrew J. Harvie and John C. de Mello created OLIA, an open-source digital lock-in amplifier. Digital lock-in is a method for isolating weak signals. Open Lock-In Amplifier (OLIA) is a Teensy 4.0-based system that can outperform far more expensive commercial devices. www.pjrc.com/olia-open-so...

Gero Takke created the Ottopot, a Teensy-powered MIDI controller with "nothing but 8 dials". But what dials they are! 14-bit MIDI CCs changes with a 1:1 mapping to physical movement provides an experience more akin to analog pots, but with continuous rotation pjrc.com/ottopot-midi...

The technology we experience as children can have a lasting impression. An algorithm that Mate Steinforth saw at a relative's house had such an impression that three decades later it drove the creation of a #Teensy based realization in LED form www.pjrc.com/led-lines-al...

tubelab . com created a 6-voice polyphonic hybrid digital/analog synth using Teensy and CirrusLogic CS42448 and a Moog-style ladder filter made from vaccum tubes! www.pjrc.com/polyphonic-d...

Ash Powers long dreamed of creating a crankshaft balancing rig, and through a combination of mechanical, electrical, electronic, software expertise, and use of Teensy, his dream is now a reality www.pjrc.com/dynamic-cran...

Researchers from Prof. Joohyung Kim's KIMLAB at the University of Illinois Urbana-Champaign (UIUC) used #Teensy to develop a low-cost, easy-to-reproduce "pneumatic skin" that gives robots a sense of touch www.pjrc.com/pneumatic-ro...

VoiceBotX has created VoiceBot, a second language fluency-builder in the form of a #Teensy powered robot www.pjrc.com/voicebot-lan...

OH! is a Teensy-based sculpture created by brendanmatkin and the Tangible team, to control lights on the Telus World of Science's geodesic dome via a 1:60 scale model of the building, covered with 240 sensors, and connected to its full-scale counterpart by an LTE router www.pjrc.com/science-worl...

After several years of experimentation, JonathanZ has released a #Teensy based drone synth pedal using S. Christian Collins’ GeneralUser GS SoundFont bank www.pjrc.com/drone-synth-...

Cam Chaney’s #Teensy powered Compass handheld #CNC router combines the fidelity of CNC with the flexibility of a hand tool that traverses the workpiece under human guidance www.pjrc.com/diy-handheld...

dukeblue219 has shared a retrospective of NASA’s use of #Teensy over the years, from testing planar NAND flash at the Lawrence Berkeley National Lab, to facilitating research with an 8 Tb, 96-layer 3D NAND flash www.pjrc.com/nasa-loves-t...

Open Source DIY Thermocam V3 Teensy-based thermal imaging platform brings thermal analysis to the masses www.pjrc.com/diy-thermocam/

Teensy software 1.60 released, larger PSRAM, Lockable Teensy Plugin, I2C, SoftwareSerial, NKRO Keyboard, and many fixes & improvements www.pjrc.com/teensyduino-...

JarkkoL has ported their tiled software rasterizer to #Teensy and ILI9341 using just 27kb of RAM, with 4,000 triangles stored in flash, and featuring asynchronous DMA transfer, cluster visibility culling, and texture support. www.pjrc.com/3d-rendering/