Questions tagged [teensy]
A small USB-based SBC with an AVR or ARM microcontroller
152
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How do I increase I2C/Wire Timeout on Teensy41
I am working on an I2C system with a Teensy41 master and an Adruino NANO as a slave.
It currently takes the NANO about 700 microseconds to do a calculation and reply to the request for data from ...
- 49
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Running Teensy41 on battery
I'm trying to get my Teensy41 project to run on battery. The docs at the link below seem to indicate that connecting 5v across VIN and GND pins should be enough to run on battery. Initially I am just ...
- 49
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2
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42
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I2C Level Shifting (Adafruit breakouts)
I have programmed an I2C slave on an Arduino Nano and an I2C master was on an Arduino Mega. I'm now working on upgrading the master to a Teensy 4.1.
The new master is a 3.3v microcontroller, where as ...
- 49
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106
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Is this a good circuit for connecting a piezo disc sensor to a microcontroller?
I'm making a musical instrument, where you pluck "teeth" which have piezo disc sensors attached to them, and I want to get the output of the piezo into a microcontroller so I can interpret ...
- 123
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Running a Motor Controller, Motor, and Raspberry Pi off the Same Power Supply
I have a 24V brushed motor, a Raspberry Pi, and a Teensy 4.1 microcontroller all running off the same power supply (a 24V tool battery). I have a step down regulator that converts 24V to 5V:
https://...
- 23
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1
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58
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Input stage for sampling audio sine wave with ADC
I'm building a prototype, checking the potential for a project.
I want to be able to sample a sine wave from a power amplifier using a Teensy4 ADC.
I have a Teensy 4.0 powering an Evisun isolated DC-...
- 3
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5
answers
221
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Clock Signal over long distance
I'm building microphone array using 16 ICS-52000 MEMS microphones and I propably have problem with clock singal because of the long distance. Below is output signal of the 8 microphone I have already ...
- 41
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4
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How can I read 50kV using the built in ADC of a Teensy microcontroller?
Can I use the voltage divider like shown below for stepping down the voltage to 3.3V? Is there a better solution to digitise the voltage values?
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Detecting Bus Presence
I have a PCB that connects to an existing device through a simple parallel bus. I want a way to determine whether this device is connected or not.
The data lines aren't of any help, as they are ...
2
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3
answers
842
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Sending a float type values over CANBUS
I need help in sending float-type values over CANBUS.
I'm working on data acquisition of an fsae car. I'm using Teensy 4.1 and Teensy 3.5 using MCP2562 and MCP2551 CAN transceivers (respectively) to ...
- 61
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67
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Reading a resistance to earth sensor with a microcontroller
What are the options for reading a resistance to earth sensor from a microcontroller?
Scenario: I'm building a digital dash for a vintage car, using a Teensy 4 as the microcontroller. The car is a ...
- 1,195
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2
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317
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Teensy (Arduino-like development board) 5V and 3.3V supplies
I am using a Teensy 4.0 microcontroller for a project.
For the project, there are lots of peripheral ICs in the design that allow for general purpose I/O, such as multiplexers, ADCs, and waveform ...
- 21
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1
answer
66
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Microcontroller to control 18V Source
I'm Designing a circuit to help calibrate a programable rotary encoder, essentially 18V @ 20ma must be supplied to a certain pin on the rotary encoder to set its position.
I am trying to use a N-...
- 3
5
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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 ...
- 93
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2
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66
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Increase amplitude of ultrasonic transmitter
I'm currently working on a project where I want to send an ultrasonic signal from one Teensy 4.1 to another. To do this I've taken a US-100 ultrasonic module apart so that I only have the transceivers....
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