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Here is the specific display I have: Product Link (Amazon) For drivers/libraries for the display you have options. I personally use the Adafruit_GFX and the Adafruit_ST7796S_kbv libraries, these work and are super fast. Note, these are only for writing to the display, like drawing shapes...

A while ago, I was programming for my Teensy 4.1, and I had it connected to a 4 inch touchscreen display. It worked perfectly fine, I found fast, smooth, and supported display drivers for the board. But now about a few weeks later I am returning to the project, and all of the sudden whenever I...

Yeah, sort of forgot this was a Teensy only forum, that's my fault, apologies.

A while ago, about a few months ago, I purchased a RP2040 based board from waveshare. I also bought a GamePi13 shield to go with it just to have some fun and make some mini games in the Arduino IDE and play them. In the beginning I checked if they were compatible and they were, in fact in the...

What specifically did you need help with?

Yes, you are correct. I got my setup to work, but Adafruit libraries for ST77XX displays typically default to SPI0 (the primary SPI lane, pins 10, 11, 12, and 13) this is because this makes the driver universal for boards that have either one, or more SPI lanes, like an Arduino UNO or Teensy 4.1...

Hey, your pinout worked! I would like to say thank you for the help. I managed to get the Teensy to move the correct display data to SPI1, the second SPI lane.

I am working on a project with the Teensy 4.1 again, and I am using the first SPI lane to connect to another Teensy 4.0 board, but I need to connect my SPI display to it's own SPI lane, SPI1. The Teensy 4.0 connects to Teensy 4.1 pins 10, 11, 12, and 13, which are the standard pins for SPI0. I...

Oh my bad, I didn't notice the link they attached, that's my fault, sorry.

What else is inside the chip? So far I know a CPU, NPU and a Temperature sensor, do you mind listing maybe some more features I don't know about? Kind of got me excited, maybe I got more that what I thought I got.

So the chip does include a integrated temperature sensor, just not in the CPU itself? Because I do know the processor entirely is composed of a CPU and NPU.

Do I need any libraries for this, or is this line of code all I need to change the clock speed? And are there any limitations to the clock speed number? other than what is given as a minimum and maximum clock speed for the processor of course. (184KHz-1.008GHz)

Could you maybe share some code with me for changing the clock speed, please? If you want of course.

Not all ARM processors sport a integrated temperature sensor, including the ARM Cortex M7 processor that NXP made that is used on both the Teensy 4.1 and 4.0 or at least this is what I learned from researching online.

Okay, thank you for this information! I really appreciate you guys for helping me out and providing all of this information.

From this I am getting that it is not recommended to overclock either Teensy 4.1 or 4.0 for extended periods due to shortly life spans of the processor? I am also getting that the Teensy 4.0 might hold more heat due to it having a smaller board and not being able to dissipate heat as fast as the...

@kd5rxt-mark Thank you for that, I see it on my computer too, and I have the newest edition of the Arduino IDE. I was wondering, is there a way that I can make a program that would adjust and change the clock speed of the processor through code? Like could I write code that could change the...

Hey guys, I am new to this forum, and I was wondering how I would overclock the Teensy 4.1 and 4.0. Does anyone know how to do so effectively?