Arduino UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with.
Microcontroller: ATmega328P
Operating Voltage: 5V
Supply Voltage: 7-12V
Maximum supply voltage: 20V
Digital I/O Pins: 14 (of which 6 provide PWM output)
Analog Input Pins: 6
DC Current per I/O Pin: 40 mA
DC Current for 3.3V Pin: 50 mA
Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader
SRAM: 2 KB (ATmega328)
EEPROM: 1 KB (ATmega328)
Clock Speed: 16 MHz
Reviews & Ratings
Md Muhin Islam
Jan 20, 2026
I received good and fresh quality product and also fast delivery.