hi, phil here — post on adafruit here: https://blog.adafruit.com/2026/01/12/discontinuing-the-teens... i’ll stop back and answer anything (sparkfun will not?). sparkfun is the exclusive maker and distributor of the closed-source teensy and informed us we will not be able to purchase the teensy. this happened after i sent an email reporting the founder, nate, for multiple harassing actions directed at limor, including…
1. Will the freenzy be a 100% drop-in replacement for the teensy?
2. Will the freenzy be able to be programmed using teensyduino?
3. PJRC's bootloader is closed-source (I know, I've built 1000 Teensy-LC's after the product's discontinuation). Does that mean you're sourcing bootloaders from PJRC or reverse engineering the bootloader chip?
Opinion 1: If I can't take code written for a Teensy and upload it straight to the Freenzy, then this is not "Teensy Compatible". Likewise if the pinout is not the same, including all of the rear pcb-pads.
Opinion 2: If this is not actually Teensy Compatible, but just "Teensy Inspired", what about branding this as adafruit's own microcontroller and not cut into Paul and Robin's income by selling a totally different product that rides on their name recognition and decade of work?