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Official- Arduino Uno R3 DIP
Technical Specification Details
| Parameter | Specification Details |
|---|---|
| Primary Microcontroller | Microchip ATmega328P (Removable DIP Package) |
| USB-to-Serial Processor | ATmega16U2 (Supports keyboard/mouse emulation configurations) |
| Operating Logic Voltage | 5V DC |
| Recommended Input DC | 7V to 12V Max (Absolute hardware safety thresholds: 6V to 20V) |
| Digital I/O Breakout Pins | 14 Pins (of which 6 deliver true hardware PWM output signals) |
| Analog Input Channels | 6 Channels (10-bit high-accuracy resolution ADC) |
| DC Current per I/O Pin | 40 mA peak tolerance ceiling |
| Onboard Memory Array | 32 KB Flash Storage | 2 KB SRAM | 1 KB EEPROM |
| System Processing Clock | 16 MHz Quartz Crystal Oscillator |
| Physical Dimensions | 68.6 mm × 53.4 mm (Standard Uno structural profile) |
