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Thanks for the quick reply.
I have now installed it via the library manager. But it only works with older versions of adafruit_gfx (I think up to 1.5.x), with newer versions it hails error messages...

Just updated Arduino 1.8.13 (from 1.8.4) and Teensyduino 1.53 (from 1.44) and found that "Adafruit_gfx" is missing.
Does this have any particular reason?
I copied "adafruit_gfx" from Teensyduino...

I had an unwanted solder bridge, Serial3 (RX3 / TX3) to ground.
Now Serial3 is not working anymore, Serial1 and Serial2 are working (for testing I have changed the code). Can it be that the Teensy...

I see, pin 33 is connected. Look at this:

https://forum.pjrc.com/threads/24823-Teensy-3-1-Tying-Pin-33-(pta4)-low-freezes-teensy

To my question: Since I use a Teensy 3.2, I use "i2c_t3". Is the new "Wire" intended as a replacement for "i2c_t3" or what should I use better?

Thanks for the explanations!

I have to drive with a Teensy 3.2 six dc-motors. The motor controllers need 5V TTL signals. To avoid additional level shifters, I would simply use PullUp resistors, connected to 5V.
Question 1: for...

For those who are looking for such errors:

I'm going to port a project from Mega2560 to Teensy 3.2. I had two stumbling blocks, which gave me long nights:
1. On the AVR processor, all pins are...

Why not using 28? A17 is for analog, 28 for digital

thank You
Greetings from Austria

Teensy 3.2:
If I change the PWM frequency for PIN 20,21,22,23 and 25,32 to 2kHz, for example, does that have an effect on the IntervalTimer?