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Teensy 3.2 Development Board


GST 18% extra
Model: SYN-3820
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Teensy 3.2 Development Board is a direct, 100% compatible replacement for Teensy 3.1. It is fully compatible with all shields and add-on boards made for Teensy 3.1 The main change is an improved 3.3V regulator, to allow Teensy to directly power ESP8266 Wifi, WIZ820io (W5200) Ethernet, and other power-hungry 3.3V devices. The Teensy 3.2’s power output is specified at 250 mA and the maximum voltage input at 6 volts, due to PCB thermal dissipation limits. However, the actual regulator chip is capable of up to 10 volts input, and up to 500 mA output. These higher limits are intended to allow Teensy 3.2 to be more rugged when used with non-USB power sources which aren’t well regulated 5-volt sources. The Teensy breadboard-friendly development board with loads of features in a, well, teensy package. The Teensy 3.2 brings a 32 bit ARM Cortex microprocessor into the mix so you can do some serious number crunching. The Teensy 3.2 comes pre-flashed with a bootloader so you can program it using the onboard USB micro-B connector. No external programmer needed! You can program for the Teensy in your favorite program editor using C or you can install the Teensyduino add-on for the Arduino IDE and write Arduino sketches for Teensy! Teensy 3.2 has the same size, shape & pinout; is compatible with code written for Teensy 3.0/3.1, and is well supported on the Arduino IDE using Teensyduino. The processor on the Teensy also has access to the USB and can emulate any kind of USB device you need it to be, making it great for USB-MIDI and other HID projects. The 32-bit processor brings a few other features to the table as well, such as multiple channels of Direct Memory Access, several high-resolution ADCs, and even an I2S digital audio interface! There are also 4 separate interval timers plus a delay timer! Oh yeah, and all pins have interrupt capability. Also, it can provide system voltage of 3.3V to other devices at up to 100mA.


  • 32 bit ARM Cortex-M4 72 MHz CPU (M4 = DSP extensions)
  • 256K Flash Memory, 64K RAM, 2K EEPROM
  • 21 High-Resolution Analog Inputs (13 bits usable, 16-bit hardware)
  • 1x 12 bit DAC Analog output
  • 34 Digital I/O Pins (16 shared with analog)
  • 12 PWM outputs
  • 7 Timers for intervals/delays, separate from PWM
  • USB with dedicated DMA memory transfers
  • 3 UARTs (serial ports)
  • SPI, 2x I2C, I2S, IR modulator
  • I2S (for the high-quality audio interface)
  • CAN Bus
  • Real Time Clock (with user-added 32.768 crystal and battery)
  • 16 general purpose DMA channels (separate from USB)
  • Touch Sensor Inputs
  • Micro-USB connector
  • Dimensions: 1.4 x 0.7″ (35 x 18 mm)

Large Memory For Awesome Projects

  • 64K RAM. While 16K is plenty for nearly all Arduino libraries, 64K allows for more advanced applications. Icons and graphics for color displays and audio effects requiring delays, like reverb and chorus, will become possible on Teensy 3.2.

5 Volt Tolerance on Digital Inputs

  • Today most new chips use 3.3V signals, but many legacy products output 5 volt digital signals. These can now be directly connected to Teensy 3.2’s digital inputs. All digital pins are 5 volts tolerant on Teensy 3.2. However, the analog-only pins (A10-A14), AREF, Program, and Reset are 3.3V only.

12 Bit Analog Output

  • Teensy 3.2 has a proper analog output. You can always filter PWM, but true analog output responds rapidly. The output is created by the stable reference voltage, so it’s doesn’t vary if your power supply voltage changes slightly.


  • Teensy 3.2 is meant to be a drop-in replacement for Teensy 3.0/3.1. Only 1 pin has different functionality from Teensy 3.0. The reset pin was replaced by A14/DAC, which you can use for true analog output, or as another analog input.

Package Includes: 1 x Teensy 3.2 Development Board 1 x PinOut Drawing Card

  • Model: SYN-3820

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This product was added to our catalog on Wednesday 13 March, 2019.


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