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    I do not think so. I had both boards connected to...

    I do not think so. I had both boards connected to a powered USB hub. Everything else on that hub works fine.

    8-Dale
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    I would like to know what happened too. OK,...

    I would like to know what happened too. OK, great.

    8-Dale
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    I did not power the boards before soldering pins...

    I did not power the boards before soldering pins to them. From now on, I will. This is the first problem I have had that I could not trace to something I did.

    I was able to load Circuitpython and...
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    I only have what I have already posted - pictures...

    I only have what I have already posted - pictures taken with my phone.

    8-Dale
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    So would I. I have 0V on all four pins on both...

    So would I.

    I have 0V on all four pins on both modules. I did not believe this until I took three sets of readings. I wish I had a known good module to compare with.

    8-Dale
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    Yes. With the same exact failure. I...

    Yes.

    With the same exact failure.

    I understand that. I am not questioning PJRC. There are ways boards can be negatively affected, even in transportation between manufacturer and dstributor.
    ...
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    I have been thinking more about this. It seems...

    I have been thinking more about this. It seems strange that two Teensy 4.0 boards from the same vender would have the same exact failure.

    8-Dale
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    Hi, Paul Both boards have the same results -...

    Hi, Paul

    Both boards have the same results - no 3V power, but 5V power at 5.08V.

    8-Dale
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    Teensy 4.0 #1: It looks like I do not have 3V...

    Teensy 4.0 #1: It looks like I do not have 3V power. I have 5.08V.
    Teensy 4.0 #2: I do not have 3V power. I have 5.08V.

    I do not understand this at all. One of my boards was working for awhile,...
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    There is no activity at all on the Teensy 4.0. No...

    There is no activity at all on the Teensy 4.0. No flashing or blinking red LED at all. Both just seem to be "dead" now.

    Everything looks good to me. No solder splashes, which would be easy to see....
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    I just did this with one Teensy 4.0, but it still...

    I just did this with one Teensy 4.0, but it still does not respond to attempts to program it. I have good USB data cables.

    I have not soldered to anything on the underside of either of my Teensy...
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    Two Teensy 4.0 boards

    Hi,

    I have been away for quite awhile but I am back! ;) I just got my first two Teensy 4.0 boards from Adafruit, and I have Circuitpython one one.

    However, the second one is totally...
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    You're doing great work, Kurte! Thanks also goes...

    You're doing great work, Kurte! Thanks also goes to Nathan for helping out! :D I'm getting closer and closer to restarting my porting to the Teensy 3.1 now. I now have two robots (W.A.L.T.E.R. 2.0...
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    Yes, indeed! You, and others there, have done...

    Yes, indeed! You, and others there, have done great work on these controllers. I'm going to be taking a closer look at your work as I start my own controller design. It would be really interesting to...
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    Quick update: I discovered that both motors I...

    Quick update: I discovered that both motors I have on W.A.L.T.E.R. are apparently bad. :(

    Luckily, I have two more of these motors, which tested good without encoders, and two brand new quadrature...
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    Good find! The LS7766DO...

    Good find! The LS7766DO also looks very interesting - it handles dual quadrature encoders. I have requested a sample. My robot, W.A.L.T.E.R. has quadrature encoders on both motors, so I have an...
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    I have been working on the pan/tilt scanner code...

    I have been working on the pan/tilt scanner code this week. I finally got it all working yesterday! Now, W.A.L.T.E.R. can scan up to a full 180 arc (specified as -90 to +90 or 0 to 180 degrees), and...
  18. Thread: gameduino 2

    by geekguy
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    Compiling without errors, unfortunately, doesn't...

    Compiling without errors, unfortunately, doesn't really tell us too much. For instance, some of the Adafruit libraries compile perfectly with TeensyDuino for the Teensy 3.1, but they give incorrect...
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    You may be mixing two things up here, or at least...

    You may be mixing two things up here, or at least confusing them a little. :)

    There are two distinct parts to working with an Arduino/Teensy with TeensyDuino. One is the C/C++ language used to...
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    What? Standard C is going to be the same, whether...

    What? Standard C is going to be the same, whether it's on a PC, or on a microcontroller like the Arduino or a Teensy 3.1 (the one I use). Sure, there are things that are going to be different, but...
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    I've ordered all the things I need to make the...

    I've ordered all the things I need to make the changes I've talked about in previous posts. I should have everything by the end of this week. I still have to figure out some sort of adapter, so I can...
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    This looks great! :D Oh, wow, awesome! If...

    This looks great! :D


    Oh, wow, awesome! If you decide the version with Arduino headers is good enough, I'd be happy to submit them for fabrication if you get me all the data I ened to do that....
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    OK, here is my plan to switch processors around...

    OK, here is my plan to switch processors around on my two robots..

    I'm going to create my display and sensor circuit on a Perma-Proto board from Adafruit.This will allow me to use all the parts I...
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    I have backed this one, as well. :D 8-Dale

    I have backed this one, as well. :D

    8-Dale
  25. I have both Arduino 1.05, and Arduino 1.5.5...

    I have both Arduino 1.05, and Arduino 1.5.5 installed on my system now (Linux). I just download the archives from arduino.cc and unarchive them - they automatically go into different directories. I...
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    As soon as I have both of my robots fully...

    As soon as I have both of my robots fully operational, I'm going to start working on a wireless robot controller. This controller will have at least three 3-axis joysticks (possibly 4), some sliders,...
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    I'm back to working on W.A.L.T.E.R. now! I ran...

    I'm back to working on W.A.L.T.E.R. now! I ran out of dynamic memory on the processor (BotBoarduino) on my new SES Rover, so am switching things around a bit.

    The SES Rover: I call it this because...
  28. Thread: Audio Library

    by geekguy
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    I really appreciate consistancy, Paul! I've had...

    I really appreciate consistancy, Paul! I've had to go through some libraries and rename stuff and such, but it sure makes code easier to understand. :)

    I'm looking forward to getting one of your...
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    Low speed, long range, wireless node.

    I am building two low bandwidth, long range, wireless nodes. I've already built one node, using my Arduino Decimila, and am building the second node now, using a Teensy 3.1. I've started working on...
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    Yay! I just installed it. :) 8-Dale

    Yay! I just installed it. :)

    8-Dale
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    Excellent! I also use this feature in my...

    Excellent!


    I also use this feature in my projects. I have both 3.3V and 5V FTDI cables with separated socket pins, which makes it easy to connect to just about anything.

    8-Dale
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    Is there any possibility of using a mini-USB...

    Is there any possibility of using a mini-USB connector instead of the micro-USB connector. Those micro-USB connectors just don't last long with repeated plugging/unplugging. I'm having problems...
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    I am starting to design what I hope will be a...

    I am starting to design what I hope will be a nice small remote robot controller. I found this 3-Axis joystick w/button at RobotShop. I'm thinking that having two, or maybe even three, of these,...
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    Try the LSM303 library...

    Try the LSM303 library from Adafruit. That's what I have been using for both Arduino and Teensy 3.1, with the standard Wire libraries for both. However, I am not sure it is returning correct results...
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    I have an LSM303DLHC that is part of the 10DOF...

    I have an LSM303DLHC that is part of the 10DOF IMU Breakout Board from Adafruit. It seems to work fine with the standard Wire library for both regular Arduino and TeensyDuino, although I am still...
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    I think I am on the track of a hardware related...

    I think I am on the track of a hardware related issue.

    I've moved everything back over to the Arduino Mega ADK board, and have been playing with it a bit tonight. I have everything working now,...
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    More pictures of W.A.L.T.E.R. 2.0: The Arduino...

    More pictures of W.A.L.T.E.R. 2.0:

    The Arduino Mega ADK with the DFRobo Sensor Shield. This is a very nice shield for the Arduino Mega! I have drilled mounting holes for the Mega board and shield,...
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    This is why I get frustrated when I am trying to...

    This is why I get frustrated when I am trying to test the Teensy 3.1 on W.A.L.T.E.R. - it's a true wiring nightmare, and a very fragile setup.

    1454

    8-Dale
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    I give up for tonight. I'm not getting consistant...

    I give up for tonight. I'm not getting consistant results from my I2C devices, even after I completely rewired the I2C bus connections (6 physical devices). As far as I can tell, all my connections...
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    I agree completely! I would much rather have a...

    I agree completely! I would much rather have a solution that works well for as many people and platforms as possible.


    Yes, indeed, this is the whole problem with forking code. If all the...
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    I decided I want to play with the Teensy 3.1 a...

    I decided I want to play with the Teensy 3.1 a bit more tonight, before I move everything back over to the Arduino Mega ADK for awhile. I just have to fix all my jumper wire connections - some always...
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    My preference is the best solution that works on...

    My preference is the best solution that works on all platforms. If this requires forking the Orion libraries and continuing on from there, that is absolutely OK with me. I want a solution that can be...
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    This makes perfect sense. I normally always do...

    This makes perfect sense. I normally always do this when I get a new piece of hardware, a new sensor, etc. I guess I've been so anxious and excited wanting to see W.A.L.T.E.R. 2.0 (after about 7...
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    I'm thinking about going back to my known good...

    I'm thinking about going back to my known good environment (Arduino Mega ADK), where everything works, except the RoboClaw (because it is new to me, and I don't yet know how to work it.). I think I...
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    I am using the standard Wire library. 8-Dale

    I am using the standard Wire library.

    8-Dale
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    I am using the standard Wire library. 8-Dale

    I am using the standard Wire library.

    8-Dale
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    Arduino IDE 1.0.5. I just installed TeensyDuino...

    Arduino IDE 1.0.5. I just installed TeensyDuino 1.18 RC4.

    8-Dale
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    I have communication on Serial2 (9, 10, 115200,...

    I have communication on Serial2 (9, 10, 115200, normal SSC-32) and Seria3 (7, 8, 115200, normal RoboClaw), but nothing on Serial (0, 1, Console).

    I tested by moving my SSC-32 to each port and...
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    I am having problems getting anything from the...

    I am having problems getting anything from the RoboClaw 2x5. My code just hangs when I go to read the controller.

    I am checking to make sure I have communication on Serial3 now. I'll move the...
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    I just got setup to test these, and am verifying...

    I just got setup to test these, and am verifying my connections. I am having difficulty with the console and RoboClaw ports for some reason. The SSC-32 is working with the BMSerial port, so I will...
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