![](https://peter.quantr.hk/wp-content/uploads/2023/07/img_3673-edited-scaled.jpg)
This little board is nearly the same size as nano but embedded with a NRF24L01, and also very cheap $4 USD. To make it works:
- All pins are the same as nano but used some pins to connect to NRF24L01
- RF24 example is below
- Bootload don’t use “old”
The “RF24 > Scanner” will works like below
100% compatible with Arduino nano
![](https://peter.quantr.hk/wp-content/uploads/2023/07/image-3.png)