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Arduino Pro Micro-compatible - 5V

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$13.95 (inc GST) $12.68 (exc GST)
Out of stock - ships in ~15 days

Product Description

Looking for a tiny, tiny Arduino-compatible board like the Pro Mini - but would like an onboard USB interface with full serial? Then Tronixlabs Australia has the answer with the Pro Micro-compatible board. 

Measuring only 3.3 x 1.8 cm, this board helps shrinkify your project without needing to do without the convenience of a USB interface. Based around the ATmega32U4, you can use this as an Arduino Leonardo in the Arduino IDE.

You will need a micro USB cable to upload sketches to your Pro Mini-compatible board. Two rows of inline header pins are included but not soldered to the board. 

Note - when connecting external  power between 7 and 12V DC - use the RAW pin! Vcc pin is for 5V only! If you short the J1 solder pads, Vcc is shorted to the USB line, bypassing the regulator. 

Board Specifications:

  • Atmel ATmega32U4 microcontroller clocked at 16MHz - running at 5V
  • Supported with the Arduino IDE as a "Leonardo"
  • Onboard microUSB socket for programming and serial monitor use
  • Four 10-bit analogue-to-digital inputs
  • Twelve digital I/O pins (five with PWM - pulse-width modulation)
  • TX and RX hardware serial pinouts
  • Onboard voltage regulator - input range between 7 and 12V DC
  • Onboard LEDs for D13 and TX/RX indication
  • Equivalent to Sparkfun DEV-12640.

Board pinouts:


ATmega32U4 Specifications:

  • Absolutely maximum at Vcc - 6V
  • Maximum current per pin - 40 mA (recommended <20 mA)
  • Total maximum current per board - 200 mA
  • 32 kB flash memory
  • 2 kB EEPROM
  • 10-bit ADC
  • 8-bit PWM

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