diff --git a/README.md b/README.md
index 9ec0ffc..3b4f59c 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,11 @@ For more information about Heap Pumps look at [Wikipedia about HP](https://en.wi
  <b>Remote computer terminal over RS-485 line. </b> Target temperature and running conditions under remote control. User can get stats from all T sensors. Up to 1.2 kilometer line.\*<br>
  <b> Remote automated control/stats via RS-485.</b> Firmware was written with python scripting in mind (and real scripts at prototype 485 network).<br>
 \* RS-485 specification. Hardware test succeeded on 400 meters line.
+
+Example: day/night setpoint control and data visualisation with last (automated rs485) interface.
+![graph example](./t_graph_example.png)
 <br><br>
+
 ## Relays:
 ### "Thermostat":
 Only 1 Relay: drives electric heater (any)