Adafruit Trinket - Mini Microcontroller - 3.3V Logic [MicroUSB] : ID 1500 : $6.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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PRO MICRO | ATMEL Atmega32u4 Development Board for Arduino IDE AVR Microcontroller 5 V/16 MHz; Christians Technology Shop: Amazon.de: Business, Industry & Science
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