Data Sheet

Interfaces
Serial 1xUART (shared w/ USB), 1xSPI, 1xTWI
USB 2.0 device
Wi-Fi 802.11 b/g/n 2.4GHz
General
Input Voltage 5V (USB/ext.) or 7~12V (Vin)
Power Consumption 120mA
PCB size 53mm x 68.5mm
Weight 25g
Microcontroller
Microcontroller ATmega328
Architecture Microchip AVR 8-bit
Operating Voltage 5V
Flash Memory 32kB (2kB as bootloader)
SRAM 2kB
EEPROM 1kB
Clock Speed 16MHz
I/O Total 20
Digital (max) 20
PWM (max) 6
Analog (max) 6 (10-bit resolution)
DC Current per I/O pins 40mA (I/O pins)
Wi-Fi peripheral
Microcontroller ESP8266EX
Architecture Tensilica L106
External FLASH 64Mbit
Red
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