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  1. Bump...Problem solved. The sensor does not...

    Bump...Problem solved.

    The sensor does not like being queried too frequently.
    For details, see link:
    http://forums.adafruit.com/viewtopic...AM2315#p204516 (recent)

    Thanks, Paul!
  2. Peculiar I2C issues on Teensy 2.0, not on Teensy 3.0

    Folks,

    I posted on this topic before, regarding a Temperature/Humidity sensor I purchased from Adafruit- the AM2315. I have since learned some interesting new things. For one, the problem that I...
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    Of course, can always be a wonky sensor, as well-...

    Of course, can always be a wonky sensor, as well- It's worth noting that I never had a lick of trouble with Teensy 2.0 I2C communications until now...
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    Sure, I'd be happy to, but won't have an...

    Sure, I'd be happy to, but won't have an opportunity for at least two weeks. I guess the thing that is bothering me so much is that the Arduino UNO seemed to work so well. What do you suppose the...
  5. If you are creating a system out of whole cloth...

    If you are creating a system out of whole cloth that uses serial communications of your own design, it would be a great idea to design a robust protocol that you can use to build data packets that...
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    I2C Sensor + Teensy 2.0. Bad Data

    Hi,
    Just tried using my new AM2315 Humidity/Temperature sensor with a Teensy 2.0, and I am getting bad data.
    This is an I2C device available from Adafruit Industries:...
  7. Remote programming of Teensy 2.0 via XBee. Best method?

    Folks,
    I am designing a home-control system using the Teensy 2.0, and I would like to include an XBee radio (probably Series 2) in some of the modules so that I can re-program with the Arduino IDE...
  8. Many thanks, sumotoy! Yes, I am aware that the...

    Many thanks, sumotoy!

    Yes, I am aware that the I2C approach can be a little pokey, but I will try the MCP23S17 approach. BTW, that chip is perfectly happy at 3.3V, so I will do that and avoid...
  9. DEV_DISPLAY_128X64 with I2C I/O Expander: Has anyone done this?

    Dear folks,

    I am considering getting a LCD Graphics unit (DEV_DISPLAY_128X64) but was wondering if anyone has ever attempted to use it with an I2C I/O port expander like the MCP23017?

    It would...
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    Reverse-polarity protection improvement

    That's a technique I use frequently, but with two important enhancements:
    1. I always put some kind of over-current protection (polyfuse, etc) in the feed to the circuit, ahead of the reverse diode,...
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    Hi, all- Just ordered a Teensy 2.0 and a...

    Hi, all-

    Just ordered a Teensy 2.0 and a Teensy 3.0. They haven't arrived yet, but I am taking some time to prepare myself for their use (first-timer here)

    My first question is about the 3.0. ...
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