diff --git a/examples/ble_t1000_custom_vars.py b/examples/ble_t1000_custom_vars.py
new file mode 100755
index 0000000..db0a153
--- /dev/null
+++ b/examples/ble_t1000_custom_vars.py
@@ -0,0 +1,17 @@
+#!/usr/bin/python
+
+import asyncio
+from meshcore import MeshCore
+from meshcore import BLEConnection
+
+ADDRESS = "T1000_S" # node ble adress or name
+
+async def main () :
+    con  = BLEConnection(ADDRESS)
+    await con.connect()
+    mc = MeshCore(con)
+    await mc.connect()
+
+    print(await mc.commands.get_custom_vars())
+
+asyncio.run(main())
diff --git a/examples/ble_t1000_set_cv.py b/examples/ble_t1000_set_cv.py
new file mode 100755
index 0000000..a18f227
--- /dev/null
+++ b/examples/ble_t1000_set_cv.py
@@ -0,0 +1,20 @@
+#!/usr/bin/python
+
+import asyncio
+from meshcore import MeshCore
+from meshcore import BLEConnection
+
+ADDRESS = "T1000_S" # node ble adress or name
+VAR = "gps"
+VALUE = "1"
+
+async def main () :
+    con  = BLEConnection(ADDRESS)
+    await con.connect()
+    mc = MeshCore(con, debug=True)
+    await mc.connect()
+
+    print(await mc.commands.set_custom_var(VAR, VALUE))
+
+
+asyncio.run(main())
diff --git a/src/meshcore/commands.py b/src/meshcore/commands.py
index c2306bc..9937f2f 100644
--- a/src/meshcore/commands.py
+++ b/src/meshcore/commands.py
@@ -320,7 +320,7 @@ class CommandHandler:
 
     async def set_custom_var(self, key, value) -> Event:
         logger.debug(f"Setting custom var {key} to {value}")
-        data = b"\x29" + key.encode("utf-8") + ":" + value.encode("utf-8")
+        data = b"\x29" + key.encode("utf-8") + b":" + value.encode("utf-8")
         return await self.send(data, [EventType.OK, EventType.ERROR])
 
     async def send_cli(self, cmd) -> Event: