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// UBDS-TEENSY-4-1MCUintermediateLast verified 2026-04-13

Teensy 4.1

PJRC

PJRC's flagship: i.MX RT1062 Cortex-M7 at 600 MHz with 1 MB RAM and 8 MB flash. Ethernet, USB host, SD card, and rich audio peripherals on a breadboard-friendly module — programmed via the Teensyduino toolchain.

high-performanceethernetsd-cardusb-hostaudiobreadboard-friendlyprototypingdsphiddata-logging
// data_completenesspartial|// schemav1.2
Teensy 4.1
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