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Teensy 2.0++ USB AVR Development Board Keyboard Mouse ISP USB Flash Drive Experimental Board AT90USB1286 - AliExpress
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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
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Teensy 3.2 Microcontroller - 64K RAM, 256K FLASH - PJRC - Simpson Advanced Chiropractic & Medical Center
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