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Teensy 3.1

Teensy 3.1 is the predecessor of Teensy 3.2.

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Last Updated: 12/06/2022

Tinkersphere

TS3977

$119.99

Features:

  • 32 bit ARM Cortex-M4 72 MHz CPU (M4 = DSP extensions)
  • Flash Memory: 256K Flash Memory
  • RAM: 64K
  • EEPROM: 2K
  • 21 Analog Pins (13 bits usable, 16 bit hardware)
  • 34 Digital I/O Pins
  • 12 PWM Pins
  • Supports SPI, I2C, I2S, IR modulator, CAN Bus
  • I2S high quality audio interface
  • Real Time Clock (requires 32.768 crystal and battery)
  • 16 DMA channels
  • Touch Sensor Inputs
  • 7 Timers for intervals/delays, separate from PWM
  • USB with dedicated DMA memory transfers
  • 3 UART serial ports
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