Update BLE overview.rst

Documentation/bluetooth/overview.rst

@@ -32,3 +32,12 @@ uses ``00`` at this position. The first attribute inside the service uses
 You can use the UUID range 422380XX-2342-2342-2342-234223422342 for your own
 experiments / demos/ development. For example the demos under `demos/` in the
 repository use this range of UUIDs.
+
+BLE with MicroPython
+--------------------
+
+MicroPython docs: https://docs.micropython.org/en/latest/library/bluetooth.html
+
+Basic example: https://git.card10.badge.events.ccc.de/card10/firmware/-/blob/master/demos/ble-ws2812-card10.py and https://git.card10.badge.events.ccc.de/card10/firmware/-/blob/master/demos/ble-ws2812-host.py
+
+MicroPython examples: https://github.com/micropython/micropython/tree/7c54b6428058a236b8a48c93c255948ece7e718b/examples/bluetooth