diff --git a/ch-13/ble-tests/computer/poetry.lock b/ch-13/ble-tests/computer/poetry.lock
new file mode 100644
index 0000000..d6d68bb
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diff --git a/ch-13/ble-tests/computer/pyproject.toml b/ch-13/ble-tests/computer/pyproject.toml
new file mode 100644
index 0000000..3e56777
--- /dev/null
+++ b/ch-13/ble-tests/computer/pyproject.toml
@@ -0,0 +1,18 @@
+[tool.poetry]
+name = "ble-test"
+version = "0.1.0"
+description = ""
+authors = ["Danny Staple <danny@orionrobots.co.uk>"]
+readme = "README.md"
+packages = [{include = "ble_test"}]
+
+[tool.poetry.dependencies]
+python = "^3.9"
+bleak = "0.19.0"
+
+[tool.poetry.group.dev.dependencies]
+black = "^22.10.0"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/ch-13/ble-tests/computer/robot_ble_connection.py b/ch-13/ble-tests/computer/robot_ble_connection.py
new file mode 100644
index 0000000..66dd100
--- /dev/null
+++ b/ch-13/ble-tests/computer/robot_ble_connection.py
@@ -0,0 +1,38 @@
+import asyncio
+
+import bleak
+
+
+class BleConnection:
+    # See https://learn.adafruit.com/introducing-adafruit-ble-bluetooth-low-energy-friend/uart-service
+    ble_uuid = "6E400001-B5A3-F393-E0A9-E50E24DCCA9E"
+    rx_gatt = "6E400003-B5A3-F393-E0A9-E50E24DCCA9E"
+    tx_gatt = "6E400002-B5A3-F393-E0A9-E50E24DCCA9E"
+    ble_name = "Adafruit Bluefruit LE"
+
+    def __init__(self, receive_handler):
+        self.ble_client = None
+        self.receive_handler = receive_handler
+
+    def _uart_handler(self, _, data: bytes):
+        self.receive_handler(data)
+
+    async def connect(self):
+        print("Scanning for devices...")
+        devices = await bleak.BleakScanner.discover(service_uuids=[self.ble_uuid])
+        print(f"Found {len(devices)} devices")
+        print([device.name for device in devices])        
+        ble_device_info = [device for device in devices if device.name==self.ble_name][0]
+        print(f"Connecting to {ble_device_info.name}...")
+        self.ble_client = bleak.BleakClient(ble_device_info.address)
+        await self.ble_client.connect()
+        print("Connected to {}".format(ble_device_info.name))
+        self.notify_task = asyncio.create_task(
+            self.ble_client.start_notify(self.rx_gatt, self._uart_handler)
+        )
+
+    async def close(self):
+        await self.ble_client.disconnect()
+                
+    async def send_uart_data(self, data):
+        await self.ble_client.write_gatt_char(self.tx_gatt, data)
diff --git a/ch-13/ble-tests/computer/test_ble.py b/ch-13/ble-tests/computer/test_ble.py
new file mode 100644
index 0000000..2a988bb
--- /dev/null
+++ b/ch-13/ble-tests/computer/test_ble.py
@@ -0,0 +1,22 @@
+import asyncio
+from robot_ble_connection import BleConnection
+
+def handle_data(data):
+  print(f"Response: {data}")
+
+async def main():
+  ble_connection = BleConnection(handle_data)
+  await ble_connection.connect()
+  try:
+      while True:
+          await asyncio.sleep(0.5)
+          await ble_connection.send_uart_data(bytes([65, 66, 13]))# "Hello World".encode())
+          await asyncio.sleep(3)
+          await ble_connection.send_uart_data("Hello\nwith newline in middle".encode())
+          await asyncio.sleep(3)
+          await ble_connection.send_uart_data("Hello with newline as end\n".encode())
+          await asyncio.sleep(2.5)
+  finally:
+      await ble_connection.close()
+
+asyncio.run(main())
diff --git a/ch-13/ble-tests/robot/code.py b/ch-13/ble-tests/robot/code.py
new file mode 100644
index 0000000..0e915a0
--- /dev/null
+++ b/ch-13/ble-tests/robot/code.py
@@ -0,0 +1,13 @@
+import board
+import busio
+import time
+uart = busio.UART(board.GP12, board.GP13, baudrate=9600)
+
+
+while True:
+  while uart.in_waiting:
+      print("Receiving data...")
+      data = uart.readline()
+      print(f"Received {data.decode()}")
+      uart.write(f"Received {len(data)} bytes\n".encode())
+  time.sleep(0.1)