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Questions tagged [teensy]

Teensy is a cheap and powerful development board with some Arduino compatibility.

2
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1answer
357 views

Get USB host controller serial number or ID using Teensy or other HID devices

I have a Teensy board and would like to know if there's a way to get a serial number (or any other kind of ID that is preferably unique) of the host controller that I plug my Teensy into. E.g. can I ...
0
votes
1answer
44 views

Sending double data from Matlab to the Teensy 3.6 via the microUSB

I've been hitting against a wall for over a week now. My current project is to use a Teensy 3.6 to send data over an SPI bus to a chip which is effective going to be a signal generator. I've made a ...
0
votes
1answer
353 views

Error Compiling to Board Teensy LC

I wrote a simple switch program using a teensy LC and transistors, but the Arduino compiler will not compile for the Teensy LC. And not for just my program, but any program, including the example ...
-1
votes
1answer
136 views

Arduino IDE / Teensy 3 on Ipad

Does anyone know a good IDE for Ipad to write Arduino code and compile it for teensy 3 ? Answers with different alternatives would be appreciated
2
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0answers
601 views

Raspberry Pi, Teensy and Arduino's on i2c

I just got into an interesting mess. I have 3 Arduino's (Pro Mini's) and 2x Teensy's (3.1's) connected via I2C to a Raspberry Pi Master. The 2x Teensy's I2C data lines are connected via OctoBoards ...
1
vote
0answers
144 views

arduino teensy no true HI-Z available?

I am using this https://github.com/watterott/SilentStepStick stepper driver to drive a stepper motor. I am having trouble setting pins to HI-Z/floating to configure the stepper driver. To set the ...
1
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0answers
213 views

Is it possible to run the Teensy to the Arduino?

I'm already done copying/pasting the libraries that I know is needed to run the program, but I wonder why I always get this error every time I tried to run the code. What do you think would be the ...
1
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0answers
121 views

Change device Function Summary for Teensy-LC

I found this thread here which describes procedure to change the produce-name of Teensy However when we open device properties we see 'Teensy USB Serial (COM xx) in the Device function summary. ...
1
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0answers
446 views

Teensy 2.0++ SDA SCL pins not accesible using ARDUINO software

Hi I was looking to interface Teensy++ 2.0 with MPU6050 for a simple IMU project. I have done this previously using Teensy 3.1 by trying the project of kriswiner however I also wanted to try it out on ...
1
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0answers
96 views

Teensy and MS5803 sensor

I'm trying to use the MS5803 pressure sensor with a Teensy 3.2. Compiling the Sparkfun, or other, libraries, however, results in no output. Can you provide guidance on how to modify the libraries to ...
1
vote
0answers
319 views

Trying to play audio files on arduino via Usb Host Shield

I want to build a program that will seek audio file inside a USB DOK (DisK On Key/Pen Drive) when it is inserted to the Circuits@Home USB Host shield. After a specified file will be found i want it to ...
1
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0answers
35 views

Having trouble bootloading my Two-Up printer

I am following these instructions to set up my Two-Up 3D printer, and I have no problems all the way up until step 18. The board uses the arduino IDE to burn the bootloader, which is why I am posting ...
1
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0answers
102 views

Arduino 1.6.1 IDE with Teensyduino Serial port lag issue?

OS: Ubuntu 14.04 Board: Teensy 3.1 and Arduino UNO I've ran many tests and concluded that the issue is within the Arduino IDE itself. The issue: Instead of a smooth stream of data displaying from ...
1
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0answers
710 views

Teensy USB Core on Leonardo

The USB Serial speed on the teensy is WAY faster then on the Leonardo. Looks like because they have greatly improved the USB code. Has anyone had any luck using the Teensy core libraries on a Leonardo?...
0
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0answers
22 views

Fastest way to convert binary string to a number?

I am using a Teensy 3.2 board as control logic for an ADC that I am building for teaching purposes. Currently, I am employing an attachInterrupt() to detect the rising edge of an external clock pulse ...
0
votes
0answers
25 views

Unable to create a file on SD with Teensy 3.2 with FreeRTOS

I'm trying to log data to SD card using Teensy 3.2. I've taken the code from Arduino Examples SD > ReadWrite.ino and modified it slightly to run it with FreeRTOS - no changes in the header libraries ...
0
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0answers
31 views

Optimizing Teensy 3.6 for data sampling?

So, I have a very basic project where I cycle through 8 IR individual transmitters. After setting the individual transmitter high, I cycle through all 8 IR receivers and print their values, RX_CYCLES ...
0
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0answers
28 views

Arduino SPI ISR

Is there any way to trigger a ISR after a SPI transfer is complete? I am trying to send messages from one of three LORA radios and have the other two read the message. I am using the Radiohead (RF95) ...
0
votes
0answers
18 views

Teensy 2.0 “device descriptor failed” with I²C sck+sda cable connected

I'm currently making a split keyboard, using a Teensy 2.0. I decided to make my two halves communicate over I²C, connected through a 4-cable audio cable. For that I got the following jacks: I used ...
0
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0answers
88 views

5V MCP2515 to 3.3V Teensy. How to reduce the MISO voltage

So to try and speed up my project, I have moved from using two UNO's to a UNO on the receive side, and teensy 3.6 on the sender side. However, no dice. The UNO doesn't receive any data or even try to ...
0
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0answers
40 views

Teensy freezing when reading ir sensor

I have a teensy that controls a motor and reads from a ir sensor, GP2Y0E02b. The issue i run into is that at random times the teensy seems to freeze, the main code stops printing but the interrupt ...
0
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0answers
359 views

trouble running i2c and spi at the same time

I know this question has been asked before but I am having trouble running I2c and SPI at the same time. I am attaching my code below. The problem when I run the code is that the LED's don't blink ...
0
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0answers
33 views

How to upload data to program over USB port

I am working on a set of Visual poi (like these https://lighttoys.cz/store/vpoi/v4/) and need to upload new pictures to the controllers every now and again. Currently I use a program to convert a ...
0
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0answers
153 views

DFT using analog read in Teensy 3.2

I am new to arduino world and therefore would like to know how to do DFT using analog read (real time). I know its slow compared to FFT, I checked sample rate to check how fast signalled can be ...
0
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0answers
350 views

How to use USB midi AND a physical 5 - Pin DIN port to output MIDI

I am currently working on a MIDI controller and would like to be able to output MIDI messages both over USB to interface with modern DAWs, and also be able to output using a MIDI jack so that I can ...