Recent Blog Posts
Neutrik etherCON Adapter for Teensy 4.1
Tom Magnier created this alternate Ethernet adaptor using using Neutrik etherCON adapter.
While the standard Teensy 4.1 board provides Ethernet via Ti’s DP83825I PHY, we didn’t want to increase the footprint and BOM with a big ol’ RJ45 MagJack, which is why we sell a separate Ethernet kit for […]
OpenGalvo
DanielO initially posted with a request for help generating a 10MHz clock signal. What emerged 25 posts later was the release of OpenGalvo, the self-described “minimalistic firmware for processing GCode commands (into the) XY2-100 protocol.”
The reason for doing this? Turning a mirror-based digital galvo into a (potentially unsafe, highly […]
Generative Sequencer
Nick Monk (Snowsh) created a monster PCB known simply as “The Machine.” The Teensy 4.1-based behemoth is a generative synth with additional capabilities via expansion modules.
A combination of WS2812 RGB LEDs and OLED displays form the UI, with copious potentiometers and buttons providing the interface. While not much […]
Zoom Phone
Interaction designer Dice Yukita to explore new — or rather old — paradigms for drudgingly routinized daily work from home meetings with his Zoom Phone.
By hacking a commodity USB headset into a traditional telephone handset, plus incorporating the HID capabilities of the Teensy 4.0 and some Swiftbar scripting, Dice was […]
JawsFX – Guitar Pedal With Shark Proximity Looping
What do you get for the Jaws fan who has everything? Pio’s (HexeguitarDIY) custom Jaws-themed guitar effects pedal with “shark proximity” looping feature! Like the classic movie, result is terrifyingly impressive!
A custom PCB houses an NXP SGTL5000 audio codec and filters, plus a TI CD4053 MUX/DEMUX for […]
Toslink Delayer To Sync Audio
Andy Haus ran into an annoying issue with his Amazon Echo Link music streaming devices: despite being connected to their respective host speaker systems via TOSLINK optical cables, one was lagging behind the other, meaning music played over both was out of sync.
Since the ~200ms delay was being caused […]
Modernized FX-300 Jackal TV/Radio
Tom Granger picked up a couple of FX-300s in a state where they weren’t actually doing as much as turning on, which was the starting point for an incredible modernization.
Sony’s 1978 FX-300 Jackal was somewhat of a technological marvel: AM/FM radio, cassette player/recorder, and mini CRT TV, all […]
Giant Darth Vader Minifig
Last time we saw The Sketchy Maker on the PJRC blog, it was in the form of a giant 3d-printed LEGO Luke Skywalker, in celebration of Star Wars day. Now they’re back, but have taken a turn to the dark side, with a giant Darth Vader minifigure.
The more […]
Vimana – Multi-track MIDI Step Sequencer
After four years in development, Guilherme Martins has released Vimana, a multi-track MIDI step sequencer. Vimana is designed to be open and flexible in terms of software and UI.
Vimana features 16 tracks, with a main clock and division/multiplication per track. Step parameters […]
iSCSI Virtual Disk
Flok works with big, expensive IBM iSCSI (Internet Small Computer System Interface) boxes, so the thought occurred: what about the opposite extreme with a microcontroller and SD card? This experiment on Teensy and other boards yielded interesting benchmark results.
Usually benchmarks measure performance of 1 subsysten. But iSCSI […]
Soft Breakout Board and Touch Reactive Fabric Art
Salil Parekh has been using Teensy LC for e-textile projects, but found it difficult to use while testing and debugging due to its small size, which gave birth to the Soft Breakout Board for Teensy LC.
Similar to a regular breakout board, the Soft Breakout Board brings all […]
WS2812B LED Controller
XForce has created a programmable controller for WS2812B LED strips. The system is based around the Teensy 4.1 and a Nextion display and features remote operation over radio.
The home screen has five shortcuts for favorite effects, which can be combined, looped, and stored on mSD. Strips of […]
RV Leveling Helper
Sometimes the simplest solutions are the best. KD5RXT (Mark)’s “fairly simple” Teensy RV Leveling Helper (TRLH) may not be uncomplicated as a spirit level, it’s a clever solution to a common problem for RV owners.
The helper is placed on RV’s counter to measure whether the surface is level enough. Adjustment info is sent […]
Modded MIDI Foot Controller
Behringer’s 2001 FCB1010 “MIDI Foot Controller” is a curious device. Ten assignable control pedals and expression pedals let you do — well, anything that you can do using MIDI, from controlling instruments, to lighting and effects, to automation.
But what if it could do even more? This was the question […]
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