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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

  • KH: A power-off current draw of 4mA for the Sony A6000 is a defect, product recall territory. It hits the camera battery with unacceptable wear and...
  • KH: Hydroponics is like home automation. Every year you have folks who start projects like these and think it will take off and become a big...
  • KH: Read the linked article. The A6000 has an unusually high standby/sleep current. The adapter's quiescent current is not an issue, but the A6000 sleep current...
  • Drone: Jeez, the very limited DCA: 40A/400A±3.0% capability, no RMS at all, and the CAT=DEATH rating makes this a NO BUY at any price - much...
  • Drone: Back-Story... Quoting: "HydroBot is a modular control system for automating hydroponic gardens." More about it here: http://protofusion.org/wordpress/2016/07/hydrobot/ Interesting work. But I would like to see...