Template: R3 PLUS Spec

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Hardware

R3-PLUS-details-intro.jpg

  1. ATMEGA328P-AU
  2. AMS1117-3.3
    3.3V voltage regulator
  3. NCP1117ST50T3G
    5V voltage regulator
  4. FT232RL
    USB to UART convertor
  5. Arduino interface
    compatible with standard Arduino interface with two additional analog inputs A6 (config the CFG), A7
    solder pads provided, supports prototype breadboard
  6. ICSP interface
  7. MICRO USB connector
    for uploading program OR serial port debugging
  8. Power output header
    3.3V OR 5V, voltage level configured by the onboard power configuration switch, used as power output OR common-grounding with other boards
  9. FT232 pins
    for burning Bootloader into the microcontroller
  10. DC input
    7V ~ 12V
  11. Reset button
  12. Power indicator
  13. Serial port Rx/Tx indicator
  14. User LED
  15. 500mA fast auto-recovery fuse
  16. Power configuration
    for configuring the operating voltage
  17. Bootloader selection switch
    turn ON: the board will reset when power-up OR other USB devices were detected connecting to the PC
    turn OFF: the onboard program runs immediately when power-up, and the board will not reset when other USB devices were detected connecting to the PC

Pinouts

R3-PLUS-details-inter.jpg

Dimension

R3-PLUS-details-size.jpg

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