Questions tagged [teensy]

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

26 questions with no upvoted or accepted answers
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712 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 ...
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74 views

Program does not seem to be passing from setup to loop, or printing to SD card

I am trying to write code to test servo motors using an encoder. I create a file in the setup part, and then set 1500 microseconds to 0 for the encoder. However, if I try to print something to the SD ...
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194 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 ...
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228 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 ...
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134 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. ...
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579 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 ...
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102 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 ...
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394 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 ...
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36 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 ...
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106 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 ...
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764 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?...
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29 views

Why is my “port” button on the toolbar greyed out?

I am trying to program a Teensy 3.2 to act as a lightsaber controller. My code works perfectly but I can't select a port. How should I fix this problem? Here is my code: /* Presented without ...
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11 views

Xbee and Teensy LED Communication

I am attempting to send serial data from my Xbee on the XCTU software to the teensy to blink an LED on pin 13. The specific teensy I am using is a teensy LC. The Xbee I am using is a series 1 pro. I ...
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19 views

VS2019CE/VisualMicro project won't compile without specific reference

I have a small project to test a Sparkfun MPU9250 breakout board. 'Class_MPU9250BasicAHRS_t3.h', 'MPU9250BasicAHRS_t3.h' and 'Class_MPU9250BasicAHRS_t3.cpp' are all in the local project folder. ...
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86 views

Connecting Adriono to Ubuntu Bluetooth HC-06 connection

I'm trying to connect a Bluetooth serial stream from a Teensy3.2 to an Ubuntu laptop. The USB comms between the Teensy and the laptop work fine and the BT comms between the Teensy and my phone work ...
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29 views

how does someone press and hold a key using keyboard functions?

I have a teensy, setup as a keyboard. The data sends out fine, but the key presses need to be a longer duration. I tried adding a delay, after Keyboard.print("w"); but there was no change in ...
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136 views

Can't open serial monitor on Ubuntu (Teensy 3.2)

I am running a simple blink/hello world program on Teensy 3.2. The code is compiling and running fine but I can't see the serial output. When I try to open the serial monitor it gives me "Board at ...
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250 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 ...
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223 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 ...
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517 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 ...
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106 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 ...
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628 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 ...
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35 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 ...
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1answer
53 views

Reading bmp images from SD card, converting it and displaying it on serial monitor in Arduino

Can someone please help me write code that can read a 24-bit BMP file from an SD card, save converted to 8-bit BMP internally, and display the 8-bit BMP pixel values on Arduino terminal as a 2D matrix....
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1answer
187 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 ...
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1answer
148 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