Arduino Primo ARM Cortex M4F Development Board (A000135)

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Key Features Processor ARM Cortex M4F Microcontroller Model ESP8266 Memory Memory Clock Speed 64 MHz Flash memory (microcontroller) 512 KB SRAM (Static Random Access Memory) 64 KB Ports and Interfaces WLAN Yes Built-in Ethernet Port No Number of USB Ports 1 Bluetooth Yes Number of Digital I/O Pins 14 Number of Analog I/O Pins 6 I2C Interface Yes Functions Form Factor Arduino Operating Voltage 3.3 V DC Current per I/O Pin 15 mA Weight & Dimensions Board Dimensions 68.58 x 53.34 mm. Show more