Board | Arduino Uno Rev3 [27] | ESP8266 | Galileo Board | LPC2468 |
Microcontroller | ATmega328p | ESP826632bit | Tansila | NXP |
USB controller | ATmega 16U2 | MicroUSB | USB | USB |
Operating voltage | 5 V | 3.3 V | 160Miro USB | 2 - 12 V |
Input Voltage | 7 - 12 V | 4.5 - 10 V | 120 | 3 - 12 |
Digital I/O pins | 14 (6 provide PWM output) | 16 | 32 | 20 |
DC current for I/O pins | 40 mA | 2.5 | 460 | 10 mA |
DC current for 3.3 volts pin | 150 mA | 80 mA | 190 | 100 |
Flash memory | 32 KB | 4 MB | 80 | 128 MB |
SRAM | 2 KB | 64 KB | 128 | 16 MBs |
EEPROM | 1 KB | 2 MB | 8KB | 2 MB |
Clock speed | 16 MHz | 80 MHz | 400 MHz | 32 KHz |
Size | 6.6 by 5.5 cm | 4.9 by 2.6 cm | 20 by 25,120 | 3.54 by 2.36 |
Price | 1250 BDT | 450 BDT | 8000 BDT | 3200 BDT |