diff --git a/README.md b/README.md
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@@ -1,4 +1,5 @@
 # rc-switch
+[![arduino-library-badge](https://www.ardu-badge.com/badge/rc-switch.svg?)](https://www.ardu-badge.com/rc-switch)
 [![Build Status](https://travis-ci.org/sui77/rc-switch.svg?branch=master)](https://travis-ci.org/sui77/rc-switch)
 
 Use your Arduino or [Raspberry Pi](https://github.com/r10r/rcswitch-pi) to operate remote radio controlled devices