Teensy 3.0 + header
Discontinued 32-bit ARM Cortex-M4 development board by PJRC, breadboard-friendly with headers pre-attached. Compatible with the Teensyduino IDE or direct C programming. Superseded by Teensy 3.1.
Start wiring
USB · 3.3 V
Other MCUs
225 other optionsSpecialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.
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