The Teensy 4.1 USB Development Board (pinless) features the 32-bit ARM Cortex-M7 microcontroller running at 600 MHz, compatible with the Arduino IDE. It provides a wide range of I/O pins and includes breadboard-compatible pads along the outer edges.
The Teensy 4.1 Development Board (pinless) is based on the NXP i.MX RT1062 ARM Cortex-M7 microcontroller running at 600 MHz. Compatible with the Arduino IDE via Teensyduino, it delivers high performance while remaining accessible to makers and engineers alike.
This board does not include pre-soldered header pins, allowing you to add only the connectors required for your project. The pads along the outer edges are breadboard-compatible for rapid prototyping. It also features an integrated DP83825 Ethernet PHY and QSPI footprint locations for adding external Flash or RAM chips.
| Specification | Value |
|---|---|
| Processor | NXP i.MX RT1062 ARM Cortex-M7 at 600 MHz |
| Flash Memory | 7.936 MB (8 MB) |
| RAM | 1 MB (512 KB tightly coupled) |
| EEPROM | 4 KB (emulated) |
| Digital I/O pins | 55 |
| PWM pins | 35 |
| Analog input pins | 18 |
| Serial ports (UART) | 8 |
| SPI | 3 |
| I2C | 3 |
| Audio | 2 I2S/TDM ports, 1 S/PDIF |
| CAN Bus | 3 (1 with CAN FD) |
| SD Card | Native 4-bit SDIO |
| Ethernet | 10/100 Mbit (DP83825 PHY) |
| USB | Device and Host, 480 Mbit/sec (USB 2.0 High Speed) |
| DMA | 32 general-purpose channels |
| Power Supply | 5V via USB or Vin pin |
| Operating Voltage | 3.3 V (pins not 5V tolerant) |
To program the board, install the Teensy Boards package via the Arduino Board Manager, then download Teensy Loader for code uploading. See the official PJRC page for more details.
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