Sparkfun presents PJRC’s latest Teensy, the Teensy 4.0. It’s offered in the same size and shape as the Teensy 3.2, and it maintains compatibility with most of the pin functions on Teensy 3.2. However, Teensy 4.0 employs NXP’s iMXRT1062 processor which features the implementation of the Arm Cortex-M7 core and runs at speeds up to […]

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