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USB-to-serial communication
LED Indicators: Green power LED and red LED for pin #13
PETG is usually more expensive as well
In addition to the QT connector
2 on-chip PLLs to generate USB and core clocks
Adafruit Feather 32u4 Basic Proto Development Board traffic light (invention) USB-to-serial communicationFeather is the new development board from Adafruit, designed to be thin, light, and portable. The Feather 32u4 Basic Proto features an ATmega32u4 microcontroller clocked at 8 MHz with 3. 3V logic, the same chip used in the Flora board. This chip includes 32K of flash, 2K of RAM, built in USB with native USB to serial programming and debugging, and supports USB HID functionalities like acting as a mouse or keyboard. This development board is ideal for
