Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [teensy]

A small USB-based SBC with an AVR or ARM microcontroller

A small USB-based single-board computer with an AVR or ARM microcontroller. The boards are breadboard friendly and aims at the hobbyist market.

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144 questions
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Options for soldering a through hole PCB (e.g. Teensy) flush/flat on another PCB

I am looking to incorporate a Teensy board on my PCB. I want to solder the Teensy PCB onto my PCB. But I also want to minimize the height above my PCB as much as possible. Hence, I DO NOT want to solder using regular header pins -- i.e. I DONT want…
O.K.
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What is a good communicaton device among teensy and arduino besides "XBees"

I have been using XBees to communicate my teensies so far. However, as you know, XBees are really expensive and when I want multiple devices to communicate with each other, I have to pay for several teensies + several XBees, which come up to be…
Matthew Kim
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Teensy development

Has anyone used the teensy? - I have a need for a serial port as well as USB connection and this looks good. Any opinions welcome. Is it difficult to use with the Arduino IDE? What are the downsides compared with the Arduino?
JohnC
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24 V transistor switch acting strangely

I am working on a project to switch a spring-applied brake (datasheet, page 84, MCNB 2GR) using a Teensy 3.5. I only have limited electronics knowledge and am struggling with weird behaviour from the transistor. I have previously asked for some help…
Custos
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"Thumb Drive" Teensyduino form factor?

I have an application where it would be useful to provide some external data to a program via the USB mouse or keyboard. The Teensy USB Development Board would be ideal, since it's small and has direct USB support. Unfortunately, it would require a…
Mark Harrison
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USB descriptor (LUFA)

I'm trying to jump in the USB world with LUFA on a Teensy dev board, but I'm stuck in the understanding of the descriptors. Currently I'm trying to add one button to the joystick demo without sucess. Does anyone know some resource that explains step…
jojo l'abricot
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Teensy USB Interrupts

I'm trying to learn about interrupts using one of the Teensy USB boards. It's got an AVR AT90USB1286 chip on it. I'm using the code below, and I'm expecting my ISR block to get called and periodically flash the LED on pin 6. But nothing is…
MattyW
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High-temperature microcontroller

I am looking for a microcontroller to replace a Teensy 4.0. The problem is that the Teensy doesn't cope well with high temperatures. I realise that seeking recommendations for specific products is considered off-topic due to the risk of…
Juno
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Why do some WS2813 Ledstrips shift/randomize colors?

The Problem I have a project using multiple WS2813 ledstrips, one variant which uses a white PCB and one that uses a black PCB. When setting the colors of these ledstrips multiple times, I noticed that the black PCB strips frequently show an…
Veleon
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How set the baud rate for serial communication in ATmega32u4

I have a teensy 2.0 board and am trying to use it to control this LCD through serial TTL. I got it to work fine with my Arduino uno and some sample Arduino code, but I want to do it with the teensy and the C language. The teensy uses the ATmega32u4…
rayjamesfun
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Teensy usb keyboard + Android

I've just gotten one of these Teensy boards: http://www.pjrc.com/store/teensy_pins.html I am trying to set it up using the basic keyboards tutorial. It is working correctly on Windows PC devices when I plug it in and press one of my buttons the…
FoamyGuy
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ADS7822 wrong output values (SPI)

I am facing some issues with the output values from an ADS7822. The ADC is adequately bypassed and wired up, as follows. Please note that the inverted pins on the schematic are not an issue. I routed the proper wires between the ADC and the…
Daniel Melendrez
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Teensy 4.x / IMXRT1062 - max output current

For my projects next revision, I'd like to drop the ULN2803A transistor array I currently use to drive eight optocouplers. Using optocouplers with a lower current requirement means that I'd only need to sink / source 5 mA of current for each of the…
towe
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Need help troubleshooting Teensy 3.6 SPI to DAC8568

running out of things to check with this problem I'm having. I designed a board around the Teensy 3.6 microprocessor, and I wanted to connect a DAC8568 chip to it for some analog outputs. It works over SPI, and I have verified that it does…
Punchki
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Drive 10 piezo buzzer from micro controler simultaneously and independently

I'm looking for a solution to drive simultaneously 10 piezo buzzer from teensy. I'm aware about the limitations of the number of internal timers so I'm looking for an external chip that would enable the control of 10 piezzo buzzer independently and…
xavier.seignard
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