The ATMega328 with Optiboot Uno can be used to shrink your Arduino Uno project to a smaller footprint.
With Uno's power in your hand, you can make your project on a BreadBoard or even on a PCB.
Power Supply needed can vary from between 1.8V to 5V.
ATMega328P (the same as that in your Uno) for Low power consumption.
- Additional Information
Processor No Architecture 8-bit Clock Speed No Digital Pins No Analog Pins No PWM Pins No Hardware UART No Programming Interface No Flash Memory No Operating Voltage No Power Output No Antenna No Range (Indoor/Urban) No Range (Outdoor/RF Line of Sight) No Channel Capacity No Frequency No Transmit Current @ 3.3V No