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SparkFun Pro Micro 3.3V/8MHz - base board with ATmega32u4 microcontroller

Pro Micro is similar to Pro Mini Arduino compatible board, main difference is that Pro Micro uses ATmega32u4 with builtin USB connectivity. Sparkfun DEV – 12587

More details

ID: 578418

20,12€ gross (23% VAT)
16,36€ net

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Data sheet

Number of digital pins12
CoreAVR
Flash memory32kB
Frequency8MHz
ADC1x 10bit
RAM2,5kB
DACnone
EEPROM memory1kB
CANnone
MicrocontrollerATmega328
USB1
Ethernetnone
WiFi/BT moduleNo
Bluetooth moduleNo
Number of PWM channels5
GSM/GPRS moduleNie
MicroSD slotNo
Ilość wejść analogowych9
Logic voltage3,3 V
Supply voltage min3,3 V
Supply voltages max12 V

More info

The Pro Micro is similar to the Pro Mini except with an ATmega32U4 on board. The USB transceiver inside the 32U4 allows us to add USB connectivity on-board and do away with bulky external USB interface.
This tiny little board does all of the neat-o Arduino tricks that you're familiar with: 9 channels of 10-bit ADC, 5 PWM pins, 12 DIOs as well as hardware serial connections Rx and Tx. Running at 8MHz and 3.3V, this board will remind you a lot of your other favorite Arduino-compatible boards but this little guy can go just about anywhere. There is a voltage regulator on board so it can accept voltage up to 12VDC. If you're supplying unregulated power to the board, be sure to connect to the "RAW" pin on not VCC.


Note: This is the 3.3V version so, as always, keep in mind the limits of system voltage and so forth. The lower system voltage also has its advantages, though, like ease of use with many common 3.3V sensors. Our offer also includes a version of the platform operating at 5 V.

Futures

  • MCU: Atmega32u4
  • Clock speed: 8 MHz
  • Operating voltage: 3,3 V
  • Input voltage: 3,3 – 12 V
  • ADC: 9 channels 10-bit
  • PWM ports: 5
  • Builtin voltage regulator

Manufacturer

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