diff --git a/graphviz/map_1.dot b/graphviz/map_1.dot
new file mode 100644
index 0000000..57df8ec
--- /dev/null
+++ b/graphviz/map_1.dot
@@ -0,0 +1,121 @@
+digraph map {
+    graph [fontname = "Cantarell-VF"];
+    node [fontname = "Cantarell-VF", fontsize="18"];
+    edge [fontname = "Cantarell"]
+
+    "door two" [style=filled, fillcolor=brown]
+    "door one" [style=filled, fillcolor=brown]
+    
+    "magnet one" [style=filled, fillcolor=yellow]
+    "magnet two" [style=filled, fillcolor=yellow]
+    "ldr one" [style=filled, fillcolor=yellow]
+    "ldr two" [style=filled, fillcolor=yellow]
+    "ldr three" [style=filled, fillcolor=yellow]
+    
+    "piezo one" [style=filled, fillcolor=yellow]
+    "piezo two" [style=filled, fillcolor=yellow]
+    "piezo three" [style=filled, fillcolor=yellow]
+    
+    "printer one" [style=filled, fillcolor=magenta]
+    "printer two" [style=filled, fillcolor=magenta]
+    "printer three" [style=filled, fillcolor=magenta]
+    
+    "lamp one" [style=filled, fillcolor=tomato]
+    "lamp two" [style=filled, fillcolor=tomato]
+    "lamp three" [style=filled, fillcolor=tomato]
+    
+    "ventilator one" [style=filled, fillcolor=tomato]
+    "ventilator two" [style=filled, fillcolor=tomato]
+    "ventilator three" [style=filled, fillcolor=tomato]
+    
+    "motor shield one" [style=filled, fillcolor=gray]
+    "motor shield two" [style=filled, fillcolor=gray]    
+    "relay shield" [style=filled,fillcolor=gray]
+    
+    subgraph tidal_ports {
+	8001  [style=filled, fillcolor=cyan]
+	8002  [style=filled, fillcolor=cyan]
+	8003  [style=filled, fillcolor=cyan]
+	8004  [style=filled, fillcolor=cyan]
+	8005  [style=filled, fillcolor=cyan]
+	8006  [style=filled, fillcolor=cyan]
+	8007  [style=filled, fillcolor=cyan]
+	8008  [style=filled, fillcolor=cyan]
+	8009  [style=filled, fillcolor=cyan]
+	8010  [style=filled, fillcolor=cyan]
+	8011  [style=filled, fillcolor=cyan]
+	8012  [style=filled, fillcolor=cyan]
+	8013  [style=filled, fillcolor=cyan]
+	8014  [style=filled, fillcolor=cyan]
+	8015  [style=filled, fillcolor=cyan]
+	8016  [style=filled, fillcolor=cyan]
+    }
+    
+    subgraph relay {
+	"relay shield" -> {"lamp one" "lamp two" "lamp three" "ventilator one" "ventilator two"  "ventilator three" }
+    }
+
+    subgraph ports {
+	8005 -> "printer one" [label="slow(er)",color=orange]	
+	8006 -> "printer one" [label="fast(er)",color=orange]
+	8007 -> "printer two" [label="slow(er)",color=orange]	
+	8008 -> "printer two" [label="fast(er)",color=orange]
+	8009 -> "printer three" [label="slow(er)",color=orange]	
+	8010 -> "printer three" [label="fast(er)",color=orange]
+	8011 -> "printer one" [label="go", color=orange]
+	8012 -> "printer one" [label="stop",color=orange]
+	8013 -> "printer two" [label="go", color=orange]
+	8014 -> "printer two" [label="stop",color=orange]
+	8015 -> "printer three"[label="go", color=orange]
+	8016 -> "printer three" [label="stop",color=orange]
+
+    }
+
+    subgraph fans {
+	"ventilator one" -> "piezo one"
+	"ventilator two" -> "piezo two"
+	"ventilator three" -> "piezo three"
+	
+    }
+    
+    subgraph motor_shields {
+	"motor shield one" -> "printer one"
+	"motor shield two" -> {"printer two" "printer three"}
+    }
+    
+    subgraph sensors {
+	//"esp32 one" -> {"magnet one" "magnet two" "ldr one" "ldr two"}
+	"magnet one" -> 8001 [color=red,label="off"]
+	"magnet one" -> 8002 [color=green,label="on"]
+	"magnet two" -> 8003 [color=red,label="off"]
+	"magnet two" -> 8004 [color=green,label="on"]
+	"ldr one" -> 8005 [color=red,label="off"]
+	"ldr one" -> 8006 [color=green,label="on"]
+	"ldr two" -> 8007 [color=red,label="off"]
+	"ldr two" -> 8008 [color=green,label="on"]
+	"ldr three" -> 8015 [color=red,label="off"]
+	"ldr three" -> 8016 [color=green,label="on"]	
+	"piezo one" -> 8009 [label="low",color="green"]
+	"piezo one" -> 8010 [label="high",color="red"]
+	"piezo two" -> 8011 [label="low",color="green"]
+	"piezo two" -> 8012 [label="high",color="red"]	
+	"piezo three" -> 8013 [label="high",color="red"]	
+	"piezo three" -> 8014 [label="low",color="green"]
+    }
+
+    subgraph lamps {
+	"lamp one" -> "ldr one"
+	"lamp two" -> "ldr two"
+	"lamp three" -> "ldr three"
+	8001 -> "lamp one"  [color=red,label="off"]
+	8002 -> "lamp one" [color=green,label="on"]
+	8003 -> "lamp two" [color=red,label="off"]
+	8004 -> "lamp two" [color=green,label="on"]
+	
+    }
+    subgraph doors {
+	"door one" -> "magnet one"
+	"door two" -> "magnet two"
+    }
+    
+}
diff --git a/graphviz/map_1.png b/graphviz/map_1.png
new file mode 100644
index 0000000..589dc64
Binary files /dev/null and b/graphviz/map_1.png differ