diff --git a/hydrobot_sensor_sim.py b/hydrobot_sensor_sim.py
new file mode 100644
--- /dev/null
+++ b/hydrobot_sensor_sim.py
@@ -0,0 +1,31 @@
+import time
+import random
+from canard import can, bus
+from canard.hw import socketcan
+from canard.file import jsondb
+
+parser = jsondb.JsonDbParser()
+b = parser.parse('hydrobot_can.json')
+
+dev = socketcan.SocketCanDev("can1")
+dev.start()
+
+temp = 65.5
+humid = 0.90
+press = 100
+
+while True:
+    
+    temp = max(0x00, min(0xFF, random.randint(-1, 1)/2 + temp))
+    humid = max(0x00, min(0xFF, random.randint(-1, 1)/100 + humid))
+    press = max(0x00, min(0xFF, random.randint(-1, 1) + press))
+    
+    message = b.get_message("AirTemp")
+    message.get_signal("Temperature").value = temp
+    message.get_signal("Humidity").value = humid
+    message.get_signal("Pressure").value = press
+    
+    frame = b.build_frame("AirTemp")
+    dev.send(frame)
+    
+    time.sleep(1)