diff --git a/README.md b/README.md
index 02f7771..6bdd6ad 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,4 @@ Install via libraries:
 - CircularBuffer library: https://github.com/rlogiacco/CircularBuffer
 - DebugLog library: https://github.com/hideakitai/DebugLog
 
+![Modes of operation](images/device.png)