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Changing it to Wire1 works perfectly. For anyone else using an OLED, you can also use the u8g2 library which allows you to choose the pins.

Oh right! One is a 128x64 OLED and the other is an MPU6050 IMU. So they use different libraries. So it's as simple as including Wire1.h?

Hi PJRC forums, I have two i2c devices hooked up to i2c-0 and i2c-1 on a Teensy 4.0. I can talk to the i2c-0 device just fine using Wire because they are the default pins. However, I do not know the most efficient way to talk to a second i2c device that is connected to i2c-1. I would like...

I solved it. But what threw me off was having to select the manually downloaded folder in ~/Downloads and not whatever was in /usr/ or anywhere else. I noticed a few people online making this same error. Thank you for the reply!

I'm trying this on Ubuntu but for some reason it's giving me this: Checking Arduino 1.8.13: version: "lib/version.txt" file missing Does not match Arduino 1.8.13. And it repeats this for all versions... Mind you I tried a 1.8.19 install and then a 2.1 using the corresponding Teensyduino...

Thank you!

Could I use the soldered USB2 pads to send information (a position value via ROS) to a computer and only use the factory port to flash it once and then package it inside my enclosure? Not sure if my line of thinking is on the right track.

I see. There are some other threads from members here who said that they were able to solder to the D pads, VUSB and GND and enumerate the Teensy on the computer by connecting to the newly soldered port. Am I missing something?

Thanks! This helped a lot.

Can that pad supply 5V into the Teensy (and enumerate the Teensy) from the computer that is connected to the newly soldered USB breakout?

Great, and I suspect I should give it VUSB to be safe?

Do you only need D+ and D- ? What about power/GND? Will this just plug straight into the computer and enumerate the same way the factory USB port does?

Thanks for responding. Is there a known way to solder to the 4.0 to replicate the existing USB port?

Hi, I need access to the Teensy 4.0's USB port so that I can send data to a computer (and flash the Teensy), however the form factor of my packaging doesn't allow for me to mount the Teensy against the wall with the USB protruding. I was hoping to mount one of these and solder it to the...

Might I ask if you have a schematic for your hookup? I'm also trying to command something through CAN-FD using a Teensy 4.0 but can't seem to figure it out! Any help would be awesome.