minichord by Benjamin Poilve is a pocket size instrument used to build chord progressions, internally using Teensy 4.0. www.pjrc.com/minichord-el... forum.pjrc.com/index.php?th...

Just want to share my excitement at finally finding a KVM switch that doesn't suck. No more attention-breaking 5-10 seconds of black screen when switching between my Mac and Linux machine. This isn't sponsored or an ad, only me enjoying what has seemed impossible for so long.

Nick Rehm's dRehmFlight VTOL project using Teensy and MPU6050 motion sensor is intended for teaching flight control and stabilization concepts. www.pjrc.com/drehmflight-...

Yang Zhang, Wolf Kienzle, Yanjun Ma, Shiu S. Ng, Hrvoje Benko, Chris Harrison used Teensy to help develop ActiTouch, robust touch detection for on-skin AR/VR. www.pjrc.com/actitouch-vr...

Adrian created this 2-key keyboard for a rhythm game. Two mechanical keys fit nicely above Teensy. www.pjrc.com/two-key-keyb...

Aaron Todd of One Hacker Band uses Teensy to make musical instruments play themselves! www.pjrc.com/one-hacker-b... www.youtube.com/watch?v=PQKq...

YouTuber James Bruton created a prosthetic arm which uses machine learning mimic his real arm based on the position and posture of other parts of his body. www.pjrc.com/machine-lear... www.youtube.com/watch?v=Ip83...

Ben Glover’s MIDIHEX, an isomorphic MIDI controller, is powered by Teensy 4.1. It supports not only velocity sensing, but MIDI Polyphonic Expression and microtonal scales. www.pjrc.com/midihex-harm...

Wow, "ChatGPT Psychosis" wasn't on my 2025 bingo card! Really hope it's extremely rare, but sharing because anyone may have friends or relatives falling for AI-backed delusion and really in need of help. futurism.com/commitment-j...

Robert Xiao, Gierad Laput, Yang Zhang and Chris Harrison have used a Teensy to prototype on-touch contextual functionality for smart IoT appliances www.pjrc.com/electromagne...

Getting excited for Teardown 2025 this weekend.

Now that SparkFun is manufacturing Teensy (a good thing which will let me focus more on software), we're having a Leftover Teensy Stuff sale. www.pjrc.com/store/leftov... Half price Teensy with minor flaw + grab bag of random leftover stuff... USA only shipping

Next week PJRC will have a Leftover Teensy Stuff sale (now that SparkFun is manufacturing all Teensy boards). Teensy 4.0 with pins soldered crooked (but fully functional) at half price will come with a free grab bag of other leftover stuff. USA only shipping on this sale.

PJRC is partnering with @sparkfun.bsky.social for manufacturing of all Teensy products. We’re taking step with 2 main goals. 1: SparkFun has the manufacturing needed for Teensy's growth. 2: PJRC can renew focus on software & community. pjrc.com/sparkfun-to-... news.sparkfun.com/13308

If the stock markets crash Monday, will DEI be at fault?

New Years resolution... At the Teardown conference @aliegg.bsky.social suggested I ought to buy an iFixit battery. It arrived in July, but has sat on my shelf since, 'cause the phone still works. Going to actually install it "sometime soon", or at least before Teardown 2025.

FastLED adds Massive Parallel LED Output on Teensy 4.0 & 4.1 thanks to Kurt Funderburg's ObjectFLED driver. The driver uses non-blocking DMA, so you can can prepare the next frame while the current frame draws. More detail on reddit. www.reddit.com/r/FastLED/co...

It's official! @crowdsupply.bsky.social's Teardown will be returning to the mall in June 2025 and they are still letting me run it. Keynotes will be Cory Doctorow (author, journalist, activist), Kate Stewart (VP of Embedded at Linux, Zephyr, RTOS) and bunnie Huang (hardware hacker, author).

PJRC will have a Black Friday sale this year. Sweet discount on Teensy 4.0 and Audio Shield. Sale will run Nov 25 to Dec 2, or until inventory allocated to the sale runs out.

Let me share with you a narrative of a software bug I just fixed in an all-night session (while still fresh in my mind). You can see the problem in this video demo, starting at 1:26. www.youtube.com/watch?v=BOQE... A deep dive will take several messages, so buckle up...

Added detection of a variety of timing errors and stats for key WS2812 waveform timing to WS2812Capture. github.com/PaulStoffreg...

Been working on a Teensy 4.0 library which can capture and analyze timing of WS2812 LED data. In this picture, Teensy #4 controls eight WS2812 LEDs while Teensy #6 captures high & low timing of every data bit. Still work-in-progress, but initial code uploaded to Github. github.com/PaulStoffreg...

Setting up a pair of Raspberry Pi 5s and 2.5gb networking for the ARM 32 & 64 bit builds of Teensy's software. Huge improvements in the build process and copying source from desktop to SBCs too! The old way was always painful. Looking forward to smoother sailing.

Michael Horn and MGA Sculpture Studios created Refractions, an impressive LED Art Installation. Article by @ishotjr.bsky.social www.pjrc.com/refractions-... Project Site www.michaelhorn.art/post/refract... Video www.youtube.com/watch?v=h39H...

Ryzee119 ported SameBoy to Teensy 4.1 with 8MB PSRAM. Supports loading ROMs from SD card, Xbox 360 controllers, and audio. Performance "not quite perfect, but pretty good in some less demanding games!" Article by @ishotjr.bsky.social www.pjrc.com/game-boy-sam... Code github.com/Ryzee119/Sam...

Ted Fried's MCL65-Fast isn't simply emulating 6502. Arduino code runs directly on Teensy 4.1 with access to all Apple II's peripherals. Article by @ishotjr.bsky.social www.pjrc.com/mcl65-fast-a... Project Site microcorelabs.wordpress.com/2021/09/29/u... Code github.com/MicroCoreLab...

DrM created an inexpensive Teensy-based linear CCD interface useful for spectrometer applications Article by @ishotjr.bsky.social www.pjrc.com/linear-ccd-s... Code github.com/drmcnelson/L...

Lynovation (Lynn, KU7Q) used Teensy 4.1 to create this ham radio human-machine interface Article by @ishotjr.bsky.social www.pjrc.com/ctr2-ham-rad... Project site ctr2.lynovation.com/who-am-i-and...

Expensive Notes controls MIDI devices and synths with Teensy using Conway's Game Of Life algorithm Article by @ishotjr.bsky.social www.pjrc.com/conways-game... Video www.youtube.com/watch?v=Hn4g...

Shiny Quagsire (Max Thomas) created his own VR controller from the ground up using Teensy and MPU-9250 gyro/accelerometer/compass and infrared sensors Article by @ishotjr.bsky.social www.pjrc.com/diy-vr-contr... Project Site douevenknow.us/post/1496263... Design Files github.com/shinyquagsir...

Expensive Notes turned a broken Dalek toy into a polyrhythmic synth, using Teensy 4.1 and audio shield Article by @ishotjr.bsky.social www.pjrc.com/dalek-synth/ Video www.youtube.com/watch?v=ZTRk... www.youtube.com/watch?v=inxZ...

Jean-Marc answers the question, Yes, Teensy 4.1 runs Doom, and generates VGA output with his FlexIO VGA driver Article by @ishotjr.bsky.social www.pjrc.com/doom-game-em... Code github.com/Jean-MarcHar... Video www.youtube.com/watch?v=adYw...

Aaed Musa this robot dog, named "TOPS", using Teensy 4.1 and 12 high-torque motors Article by @ishotjr.bsky.social www.pjrc.com/tops-the-rob... Project Site www.aaedmusa.com/projects/tops Code and Design github.com/aaedmusa/TOPS Video www.youtube.com/watch?v=VhUv...

Alex Toussaint created an ultrasonic 3D scanner using Teensy and off-the-shelf inexpensive components Article by @ishotjr.bsky.social www.pjrc.com/ultrasonic-3... Project Site www.alextoussaint.com/2021-04-28_H... Code & Design Files github.com/alextousss/3...

Jay Ackley created a collection of musical devices called the NoPlay Digital Instrument Suite Article by @ishotjr.bsky.social www.pjrc.com/digital-inst... Video www.youtube.com/watch?v=-XDb...

Andy Meyer used Teensy and a NewHaven display to create this experimental aircraft engine monitoring device Article by @ishotjr.bsky.social www.pjrc.com/engine-monit... Forum Conversation forum.pjrc.com/index.php?th...

Philip Freidin, Russell Bull and others used Teensy 4.1 to make EBTKS, an add-on card that emulates a tape drive and brings new life to old HP-85A computers Article by @ishotjr.bsky.social www.pjrc.com/ebtks-solid-... Project site www.fliptronics.com/EBTKS/EBTKS....

Trip upgraded a gaming mouse to ultra high speed using Teensy 4.0 Article @ishotjr.bsky.social www.pjrc.com/ultra-high-s... Code github.com/Trip93/teens...

Ted of MicroCoreLabs created an 8088 (original IBM PC/XT) drop-in replacement using Teensy 4.1 with 2 groups of 10 GPIO pins Article by @ishotjr.bsky.social www.pjrc.com/mcl86-drop-i... Code github.com/MicroCoreLab... Video www.youtube.com/watch?v=AAgt...

Donkeyahoy created a tape loop effect using actual tape and Teensy to control playback speed controlled by a software or analog control voltage Article by @ishotjr.bsky.social www.pjrc.com/vc-rev-var-t... Project site gofund.me/53eca2c9

Phil Barrett created a kit to run Terje's GRBL CNC software using Teensy 4.1 Article by @ishotjr.bsky.social www.pjrc.com/grblhal-cnc-... Kit Order Page www.tindie.com/products/phi... Code and Design Files github.com/phil-barrett...

Ham radio enthusiasts Jack (W8TEE) and Al (AC8GY) made a Teensy based add-on to the µBITX transceiver kit, named JackAl Article by @ishotjr.bsky.social www.pjrc.com/jackal-%c2%b... Project site groups.io/g/JackAl Code ubitx.net/tag/jackal/

Northstrix (Max) created Midbar, a DIY Hardware Data Vault, based on Teensy 4.1 Article by @ishotjr.bsky.social www.pjrc.com/midbar-diy-h... Instructables page www.instructables.com/DIY-Hardware... Code github.com/Northstrix/M...

OD created this RGB Video Synthesizer using Teensy to create glitchy color visuals Article by @ishotjr.bsky.social www.pjrc.com/rgb-video-sy... Website www.od-is.me Video vimeo.com/289645892

Malcolm Messiter "simplified" radio control by just making their own Teensy-powered transmitter and receiver from scratch Article by @ishotjr.bsky.social www.pjrc.com/r-c-transmit... Video www.youtube.com/watch?v=2enQ...

Zack Freedman used mechanical keyboard buttons, rotary encoders, and Teensy to build a video control surface, in just 1 weekend Article by @ishotjr.bsky.social www.pjrc.com/video-contro... Code & Design Files github.com/ZackFreedman... Video www.youtube.com/watch?v=72a8...

Quint Build's knife throwing machine is controlled with Teensy 4.1 Article by @ishotjr.bsky.social blogstatic.pjrc.com/knife-throwi... Video www.youtube.com/watch?v=-BKE... www.youtube.com/watch?v=qLxo...

Sebastian Tomczak homemade drum machine with Teensy 3.6 entirely on a solderless breadboard! Article by @ishotjr.bsky.social www.pjrc.com/breadboard-d... Project Site little-scale.blogspot.com/2017/03/home... Video www.youtube.com/watch?v=ZlRS...

Holger Lübben added this USB interface to a 1970's modular Tektronix Digital Processing Oscilloscope. Teensy 4.1's USB at 480 Mbit/sec gives a huge speed boost over GPIB of that era. Article by @ishotjr.bsky.social www.pjrc.com/tektronix-dp... Project site www.methodyn.de/p7001/usb/in...