PN00218-CYT8 Microcontroller CT-UNO Arduino IDE Compatible ATmega328


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  • USB Type A to Micro B
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This board is compatible with the Arduino IDE software.  Micro B USB gives more space in case of stacking a shield on top.  There are several improvements compared to the original board.  
  • SMD ATmega328P microcontroller with Optiboot (UNO) Bootloader.
  • USB Programming Facilitated by the Ubiquitous FTDI FT231X (more stable).
  • Input voltage: DC7-15V.
  • 1A (maximum) 5V voltage regulator.
  • 500mA (maximum) 3.3V voltage regulator.
  • 0-5V outputs with 3.3V compatible inputs.
  • 14 Digital I/O Pins (6 PWM outputs).
  • 6 Analog Inputs.
  • ISP 6-pin Header.
  • 32KByte Flash Memory.
  • SRAM: 2KByte
  • EEPROM: 1KByte
  • 16MHz Clock Speed.
  • R3 Shield Compatible.
  • TX, RX, Power, pin 13 LEDs are moved to edge.
  • Utilize USB Micro-B socket.


User Manual

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  • 5
    Cutting CT-UNO

    Posted by Dion Williams on Apr 25th 2022

    Phenomenal microprocessor and very reliable. Love the fact that it has an option for header or header less right out of the box instead of having to de-solder pins for a permanent circuit. Highly recommend.