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 Superseded by Teensy 3.1.
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 Superseded by Teensy 3.1.
| Pin | Type |
|---|---|
| 0 | Signal |
| 1 | Signal |
| 2 | Signal |
| 3 | Signal |
| 4 | Signal |
| 5 | Signal |
| 6 | Signal |
| 7 | Signal |
| 8 | Signal |
| 9 | Signal |
| 10 | Signal |
| 11 | Signal |
| 12 | Signal |
| 13 | Signal |
| 14 | Signal |
| 15 | Signal |
| 16 | Signal |
| 17 | Signal |
| 18 | Signal |
| 19 | Signal |
| 20 | Signal |
| 21 | Signal |
| 22 | Signal |
| 23 | Signal |
| 3.3V | Power |
| GND | Ground |
| Vin | Power |
| AREF | Analog |
| A10 | Analog |
| A11 | Analog |
| A12 | Analog |
| A13 | Analog |
| VUSB | Power |
| VBat | Power |
USB · 3.3 V
Verify supply voltage and logic levels before powering up.
Module pins: 3.3V, Vin, VUSB, VBat, GND, 0, 1, 2. Schematik maps them to your board in the app.
Specialists: 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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