Teensy 3.2 Development Board

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 a system voltage of 3.3V to other devices at up to 100mA.

All of this functionality is jammed into a 1.4 x 0.7-inch board with all headers on a 0.1″ grid so you can slap in on a breadboard and get to work!

We are an official UK distributor for the Teensy range so you can be assured of the quality.

Features:

1. 32 bit ARM Cortex-M4 72 MHz CPU (M4 = DSP extensions)
2. 256K Flash Memory, 64K RAM, 2K EEPROM
3. 21 High-Resolution Analog Inputs (13 bits usable, 16-bit hardware)
4. 1x 12 bit DAC Analog output
5. 34 Digital I/O Pins (16 shared with analog)
6. 12 PWM outputs
7. 7 Timers for intervals/delays, separate from PWM
8. USB with dedicated DMA memory transfers
9. 3 UARTs (serial ports)
10. SPI, 2x I2C, I2S, IR modulator
11. I2S (for the high-quality audio interface)
12. CAN Bus
13. Real-Time Clock (with user-added 32.768 crystal and battery)
14. 16 general-purpose DMA channels (separate from USB)
15. Touch Sensor Inputs
16. Micro-USB connector
17. Dimensions: 1.4 x 0.7″ (35 x 18 mm)

Here are the highlights for Teensy 3.2

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.

256K Flash program memory.

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.

Pinouts

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

Datasheet:

Teensy 3.2 Development Board Overview

The Teensy 3.2 Development Board is a compact, breadboard-friendly microcontroller module based on a 32-bit ARM Cortex-M4 running at 72 MHz. It is ideal for embedded applications requiring high performance, multiple I/O interfaces, and real-time control.

Key Features of Teensy 3.2 Development Board

• ARM Cortex-M4 CPU at 72 MHz with DSP extensions for fast signal processing
• 256 KB Flash, 64 KB RAM and 2 KB EEPROM for robust program and data storage
• 21 high-resolution analog inputs (13 bits usable, 16-bit hardware) plus 1× 12-bit DAC output
• 34 digital I/O pins, including 12 PWM channels and dedicated timers for precise timing
• Multiple serial interfaces: 3 UARTs, SPI, 2× I²C, I²S audio, CAN bus and IR modulator
• Improved 3.3 V regulator supplying 250 mA (up to 500 mA capable) for external modules like ESP8266
• USB with dedicated DMA memory transfers for efficient data exchange
• Fast shipping from Zbotic: orders ship within 24 hours with tracking

Applications and Use Cases

• Audio signal processing via I²S for real-time effects or DAC output
• Robotics control with multiple PWM channels and high-speed serial communications
• Data logging on sensors using high-resolution analog inputs and EEPROM storage
• CAN bus networking in automotive or industrial monitoring systems
• Home automation hubs with ESP8266 Wi-Fi modules powered directly from the board
• Custom instrument development leveraging DSP instructions and real-time clock

How to Use Teensy 3.2 Development Board

To get started, plug Teensy 3.2 into your USB port or a regulated 5 V–6 V external supply, install the Teensyduino add-on for Arduino IDE, select “Teensy 3.2” as your target board, and upload sketches. Use jumper wires or a solderless breadboard to prototype with sensors, actuators and communication modules.

Why Buy from Zbotic?

• Genuine Products: All items sourced from authorized distributors
• Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
• Free Shipping: Free delivery on qualifying orders
• COD Available: Cash on Delivery, UPI, cards, net banking
• Technical Support: Expert help for setup and troubleshooting
• Easy Returns: Hassle-free replacement for defective products

Frequently Asked Questions

Can I power an ESP8266 module directly from Teensy 3.2?

Yes. Teensy 3.2’s upgraded 3.3 V regulator provides 250 mA continuous output (up to 500 mA internally) to power ESP8266, WIZ820io Ethernet or similar 3.3 V modules without external regulators.

What external voltage range does the Teensy 3.2 accept?

While the on-board regulator is rated for 6 V input to maintain safe PCB temperatures, the regulator chip can handle up to 10 V. For reliable operation, supply 5 V–6 V when using non-USB power sources.

How many analog inputs and PWM outputs are available?

Teensy 3.2 offers 21 high-resolution analog inputs (13 bits usable, 16-bit hardware) plus one 12-bit DAC output, and 12 independent PWM outputs controlled by seven dedicated timers.