If anyone is interested in Arduino.
I have been emailed a free indestructables course.
ARDUINO CLASS (http://click.newsletter.instructables.com/wf/click?upn=5eigMVpu0NpnbYoZYtOCbeP0MSjLShgKJjSq0IVUZu7R2MlpYpZC5I-2FkTkXnjei58tU6uu3nvOP7eV5-2Bo-2BkU6Vj0XYVtIApb5JZSOo33pnBbqSK-2BRFlHzqgpxNJsnz0D_TXD4Uk9zVHqPjYiQEpviNqigOIzwtFiq-2Bwh2-2BXMkN8fdIkdYfDUV9tlQVoQIQEjYFzgmdK-2BK0OSHSrJV9HckUrXxjwgYCVKKe-2Bu5aNpwHgw4ucUDE4DfYV4YfKwXyp6qBt7DP5lPj7zchooxPy9yKrV2DkXHAYyIBpmqvl64GsUtmFzX5Y2QY4Qv1j-2FXW4YAQ9GPdhhciUEpm38rq02bTseJzOIURaCFlnH9tImMVS7gN7u4LNAyVCVqSumVpkGmOC3z1CElKM8AWg99YxYpHWSoOKZxp9EDO52Ps8T5Km5bg6Y37HBcvyuQIu9tcBbTJq7GM-2F-2BzDDtlqfHqCf-2B2CSLKinghGvYZsA1dpZOlkCpM0-2BPvGQ7LWm7olk7GTgdkb6g9Eu8P0j5H38rxAVeFvzrSu4MuEzT1ADcu2yLLjQ4kLgW2-2BehusfI8JwltRj4klUjIyU3t84H9lLg6-2Bw4ZgA-3D-3D)