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I've designed a DIY Teensy 4.1 based board with Sdram with the idea of being able to solder it yourself. (It requires a stencil and solder paste as well). I don't have a hot plate, so i have been heating them with hot air from underneath. It...

Look for the configure_cache() function in startup.c, around line 310. Arduino IDE stores the core library files in a hidden folder, {AppData} on Windows, ~/Library on MacOS, ~/.arduino15 on Linux, so you may need to do a special search to find...

We are excited to announce the expansion of our partnership with SparkFun Electronics to include the manufacturing of all Teensy products. Teensy 4.0, Teensy 4.1 and related accessories will now be manufactured by SparkFun in Colorado, USA...

Do tell ... ???

If you're working with the IMXRT1062 at this level, you might want to consider purchasing an NXP development kit and setting up the MCUXpresso environment for checking it out. It's not a Teensy with Teensyduino of course. But it's a powerful way...

Hi @Neurofrantic - this is very sensible advice, and $120 USD is a small amount to pay for this. I have worked with the Eclipse IDE and the STM32 framework over the last few years, and I liked the insight the 'MX' tool gave to programming...

You move fast, Steve_AU! Pleased to hear that you will be checking out the evaluation board. I look forward to hearing more about your experience with the setup, and hope you find it helpful. I agree that these devices in the current 600MHz+...

This is really cool and super useful, I hope can support .ehex files in the future!

User @Dogbone06 has successfully done EHEX updates on locked T4.x with FlasherX, which does not require button access. If you search his posts you will find it.

I have a product design that uses a locked T4.1 and no easy access to the prog pushbutton. Therefore I am looking for a method to trigger the bootloader and programming with an ehex via the usb port. Current idea is to use TyCommander to...

Looking at the board again, the cut made is quite shallow so I suspect something else has gone wrong with this board.

I use teensy 4.1s in a prodct of mine and need to cut the VUSB to 5V jumper. This has worked fine for a couple of boards so far but the last one I just cut I fear may have damaged something. How deep can one cut into the surface before the...