The Arduino Uno SMD is a version of the Arduino Uno, but uses an surface mount version of the Atmega328P instead of the through-hole version. This version was made in response to a shortage in supply of the through-hole Atmega328P. The board is based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
Spec:
Microcontroller |
ATmega328 |
Operating Voltage |
5V |
Input Voltage (recommended) |
7-12V |
Input Voltage (limits) |
6-20V |
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 |
The Arduino Uno SMD is a version of the Arduino Uno, but uses an surface mount version of the Atmega328P instead of the through-hole version. This version was made in response to a shortage in supply of the through-hole Atmega328P. The board is based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
Spec:
Microcontroller |
ATmega328 |
Operating Voltage |
5V |
Input Voltage (recommended) |
7-12V |
Input Voltage (limits) |
6-20V |
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 |