irill Safin made a DMX translator board to control lighting on a staircase from a theater lighting board over the DMX protocol.
The Amadeus Staircase was a rolling staircase that consisted of 8 steps, a total of 8 feet wide, with a small 3 foot step at the top. The intention was to allow control of the staircase lighting from a theater lighting board over the DMX protocol. There was no standard way to achieve this in an easily programmable fashion by default, so the DMX Translator board was developed. It has the following features:
Teensy 3.6 primary controller
RS485 differential to TTL Serial converter IC to interpret DMX packets
DIP switch for DMX address selection (0-511)
DMX input & output connectors, to allow daisy chaining.
Indicator LED for status indication.
Four unique LED strip outputs to control four LED strips from the controller, including level shifter.
Ability to selectively terminate DMX (for channel 511).
The device was powered by a 12V car battery and an inverter, and the final mounting and connections are shown here:
Jesse Robinson created his own custom keyboard inspired by the Sun Type 6 keyboard.
Jesse wanted a keyboard that had the vast functions of the Sun and IBM keyboards and also had a number pad reversed to lay out like a telephone number pad. The build process included fabricating a custom frame and hand wiring all 136 mechanical switches for the keys.
Getting the Teensy ++ to fit inside the slim case required using right angle header pins.
Additional photos of the build process can be found here.
The hat uses an 8×32 LED matrix in 4 sections that run in parallel using the FastLED library. While battery life does depend on the brightness of the LEDS, Chris did wear the hat and had it running for about 5 – 6 hours at the Edwardian Ball without needing to change the batteries.
There is some good discussion on this forum thread about trouble shooting some issues where the LEDs were dramatically slowing down after about a minute.
Teensy-LC acts as a bridge between the Sun Type S serial protocol and USB. The Teensy-LC converts the proprietary serial protocol into common keycodes readable by generic USB keyboard drivers on all modern operating systems.
The folks at 1010Music have released the Euroshield, a Eurorack and audio interface for Teensy.
Euroshield allows users to customize their own synthesizer module. It uses the standard Eurorack power systems as well as standard patch cords for input and output of standard Eurorack level audio, CV and MIDI signals.
A few of the features include:
Two audio inputs and outputs using the Eurorack -5V to +5V standard
DC coupling allows audio ins and outs to be used as control voltage connections
MIDI input and output via 3.5mm TRS minijacks
Board design allows mounting in Eurorack while exposing the Teensy
Built-in controls enable users to create a fully functioning product:
One push button
10 demo Sketches include sample code for filtering, reverb, and VCO.