Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Improved version replaced with QFP32 packaged ATMGEA328P-AU chip to reduce cost,same functional application;
•This original version adopt ATMEGA328P-MU chip in QFN32;
•The NRF24LO1+ chip is integrated on the RF-NANO board, which makes it have unlimited-transceiver functions, which is equivalent to combining an ordinary -Nano board and an NRF24LO1 modules into one,
•The RF-NANO has exactly the same pin as the common -Nano board.
![Sensor Kit] 22-in Learning Starter Set - Beginner Electronics Component Pack with Accessories for DIY Experience](https://m.media-amazon.com/images/I/51P8AtMUB+L.jpg)
