There is a voltage regulator on board which can accept a power supply of 6-9VDC (max. 10V). Make sure to connect the input voltage to the RAW pin and not VCC (5V).
The Pro Micro board is originally developed as open hardware by the company Sparkfun. It comes with the Atmel Atmega32u4 MCU and runs with 16MHz. A pair of pin headers are included, as shown in the picture.Features:
- ATmega32U4 running at 5V/16MHz
- Supported under Arduino IDE v1.0.1 and above
- On-Board micro-USB connector for programming
- 9 x 10-bit ADC pins
- 12 x Digital I/Os (5 are PWM capable)
- Rx and Tx Hardware Serial Connections
Pro Micro Atmega32u4 is compatible with Arduino and uses the same MCU as the Leonardo Module. The integrated USB transceiver makes an additional USB-TTL UART bridge IC obsolete and even adds Keyboard and Mouse functionality. Pro Micro Atmega32u4 Footprint is 25% smaller than Arduino Nano, and only has half of the Nano’s height.
9x analog IN; 12 digital IO; 5x PWM Out; Logic Level 5V, Power Supply 6-9V; Clock Speed 16MHz; Micro-USB Port; Please see Sparkfun website for more details
Dimensions: Size 34 x 18 mm; Weight 2.3 g
Content: Pro Micro Atmega32u16 Module; 2x male Pin Header (not assembled); Micro-USB Cable ASIN B08NWK16NR optional
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