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Amazon.com: SparkFun MicroMod Teensy Processor ARM Cortex-M7 Processor Clock speeds up to 600MHz 16MB Flash Memory 102k RAM Memory 7X Serial UART Ports 4X I2C Buses 2X SPI CAN-Bus 12x GPIO USB
![PJRC Teensy 4.1 Development Board : ID 4622 : $31.50 : Adafruit Industries, Unique & fun DIY electronics and kits PJRC Teensy 4.1 Development Board : ID 4622 : $31.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4622-09.jpg)
PJRC Teensy 4.1 Development Board : ID 4622 : $31.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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