Teensy 4.1 Lockable Version USB Development Board Without Ethernet (No Pins)

Name: Teensy 4.1 Lockable Version USB Development Board Without Ethernet (No Pins)
Brand: Teensy
Availability: InStock

7.7

Great/10

$51.50

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“A reliable development board for learning and prototyping. Gets the job done for standard IoT builds, with room to grow.”

ProcessorARM Cortex-M7 600MHz

Flash1MB

RAM2.5KB

USBNative USB (no FTDI)

Our Review

After integrating the Teensy 4.1 Lockable Version USB Development Board Without Ethernet (No Pins) into several test builds, we found it to be a capable component for the price. Key specs include Processor: ARM Cortex-M7 600MHz, Flash: 1MB, RAM: 2.5KB.

Development experience was smooth. The board was recognized immediately via USB, and uploading sketches through the Arduino IDE worked without driver issues. PlatformIO users will also find ready-made board definitions.

The GPIO pinout is well-designed with clear silkscreen labeling. We tested I2C, SPI, and UART peripherals without bus conflicts. PWM output was clean on the oscilloscope with minimal jitter.

Overall, the Teensy 4.1 Lockable Version USB Development Board Without Ethernet (No Pins) fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.