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!
Paul Stoffregen
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Entrepreneur & electrical engineer with a passion for overly ambitious projects. he/him
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
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.
https://www.pjrc.com/universal-data-acquisition-and-logging/
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.
https://www.pjrc.com/hamamatsu-ccd-controller/
https://www.pjrc.com/hamamatsu-ccd-controller/
@MLE_online If you're still stuck, maybe try connecting a 100 ohm resistor between the sensor's voltage output and the throttle voltage input. Then you can connect a voltmeter to the 100 ohm resistor (not to GND, but both leads to the 2 sides of the resistor). If you see zero or near zero volts, then you know the throttle input really is a high impedance voltage input. But if you see "something else" maybe it'll shine some light onto this mysterious situation?
Always a good day when another OSHPark (@oshpark@fosstodon) purple package arrives!
@North When this happened, the other problem we faced was pretty much everyone (especially a certain well know maker company that rhymes with Toot) assumed all problems are fixed by a bigger output capacitor. But for Traco that made the problem even worse! The capacitor was needed at the input to keep that little Traco from going hog wild.
@North Many years ago people using Teensy got burned by those little Traco switchers. The datasheet specifically said extra capacitor at the input (not output) was only needed for higher input voltage. With a resistive load, it worked. But with a non-linear load that draws almost no current until a certain voltage, it would go unstable and create a ~8 volt pulsing output. Maybe they've improved since then. But even if the datasheet says otherwise, I'd add a capacitor at the Traco's input.
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 through three-dimensional space to ensure every shot ends with a satisfying swish.
After more than a year of development, sucofunk released Beatmaker's Sketchbook, a Teensy 4.1 based sampler and sequencer. Designed as an Open Source alternative to the OP1 and MPCs, it follows a "Sample, Sketch, Arrange, Play" workflow to help take your ideas from simple noodling to live performances.
https://www.pjrc.com/beatmakers-sketchbook-sampler-sequencer/
