Arduino UNO SMD (CH340)
Specification
| Microcontroller: | ATmega328 |
| Operating Voltage: | 5 V |
| Input Voltage: | 5 - 12 V |
| Digital I/O Pins: | 14 (of which 6 provide PWM output) |
| Analog Input Pins: | 6 |
| DC Current per I/O Pin: | 40 mA |
| Flash Memory: | 32 KB (of which 0.5 KB used by bootloader) |
| SRAM | 2 KB |
| EEPROM: | 1 KB |
| Clock Speed: | 16 MHz |
