Description
Uno R3 Improved Version CH340 Chip for Arduino
| Specifications: | |
| 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: | 2KB (ATmega328) |
| EEPROM: | 1KB (ATmega328) |
| Clock Speed: | 16 MHz |
