Open sesame!

Once upon a time, in a company far, far away, they build a bike shed. The actual bike shed. Surprisingly without any bike-shedding. But then they were wondering how to give access to all the cyclists to the yard bike shed was build on. It was not a highly secured area, but still, it was behind gates so no stray dogs or stray cars could enter. They already had a remote-controlled gate via special key fob. But those were expensive, required some tracking, it took quite some time to order a new one and in general there was quite some overhead managing them.