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Posts Tagged ‘Teensy 3.0’

Audio clip player

Friday, August 30th, 2013

Here's a simple audio clip player by Paul of Dorkbotpdx: The hardware is pretty simple.  It's just a Teensy 3.0 that "plays" the audio using a PWM pin. The PWM is amplified to a 9V signal using a NPN transistor, then a pair of transistors buffer the signal to the current required...

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Posted in DIY | No Comments »

24×30 RGB LED matrix

Friday, January 18th, 2013

[embed]http://www.youtube.com/watch?v=qewCekhpd-g&feature=player_embedded#![/embed] Madox is designing a RGB LED matrix consisting of 30 addressable RGB LED strips with 24 LEDs each. The LEDs are controlled through the Teensy 3.0 Arduino board over an I2C interface. The project is a LED lamp that will be mounted on the wall.  It comprises of 24...

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Posted in LEDs, project logs | 3 Comments »

A look at the Teensy 3.0 testbed of nails

Wednesday, September 12th, 2012

SJaak refers us to this article by Paul Stoffregen about how they test new Teensy 3.0 boards using a "testbed of nails." Essentially the Teensy 3.0 crew has developed this testing interface which gives them a way to test every new board by bringing it into contact with the test...

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Posted in Arduino, dev boards, testing | 1 Comment »

Recent Comments

  • Paul Campbell: I'm old enough that I started programming with punched cards .... each card had a sequence number in the last few characters. A friend once...
  • Ian: test comment on /blog/ page
  • ian: No, that's exactly how it should be :) Sorry about missing names on comments, the theme is being reworked as we speak.
  • J. Peterson: Nice writeup. It looks like some of the formatting for your command examples needs some missing newlines?
  • Geert Jordaens: I'm not sure what kind of licensing I have to add since it is a fairly straight forward implementation of the adaptive Huffman Decoding. For...