BNC Triggered State Change
--------------------------


Switches states when a TTL pulse arrives on BNC trigger channel 1.

.. image:: bnc_triggered_state_change.svg
   :align: center

.. tab-set::

   .. tab-item:: Python

    .. literalinclude:: ../../../../examples/bnc_triggered_state_change.py
       :language: python
       :start-at: from bpod_core.

   .. tab-item:: JSON

    .. code-block:: json

       {
         "states": {
           "Port1Light": {
             "timer": 1.0,
             "transitions": {
               "BNC1_High": "Port2Light"
             },
             "actions": {
               "PWM1": 255
             }
           },
           "Port2Light": {
             "timer": 1.0,
             "transitions": {
               "Tup": ">exit"
             },
             "actions": {
               "PWM2": 255
             }
           }
         }
       }

   .. tab-item:: YAML

    .. code-block:: yaml

       states:
         Port1Light:
           timer: 1.0
           transitions:
             BNC1_High: Port2Light
           actions:
             PWM1: 255
         Port2Light:
           timer: 1.0
           transitions:
             Tup: '>exit'
           actions:
             PWM2: 255