Documentation

Author: pu2clr

README.md

@@ -10,6 +10,11 @@ This library can be freely distributed using the MIT Free Software model.
 Contact: __[email protected]__.
 
 
+## Donate 
+
+[If you find this project useful, consider making a donation so that the author of this library can purchase components and modules for improvements and testing of this library. Click here to donate.](https://www.paypal.com/donate/?business=LLV4PHKTXC4JW&no_recurring=0&item_name=Consider+making+a+donation.++So+I+can+purchase+components+and+modules+for+improvements+and+testing+of+this+library.&currency_code=USD)
+
+
 ## Contents
 
 1. [Preface](https://pu2clr.github.io/SI470X#preface)