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|  |  | ## 6. Task 2: Implementation of a AC control by using the CoAP-observe mechanism | 
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|  |  | 1. Use the eventing mechanism CoAP-Observe | 
|  |  | 2. Let the server notify clients every 5 seconds about a changed TemperatureResource | 
|  |  | 3. Implement an Air Conditioner Resource with the path `/ACControl`, that can be set to `high`, `medium`, `low` or `off` | 
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|  |  | ### 1. Use the eventing mechanism CoAP-Observe (Server.java, TODO 10): | 
|  |  | * Mark the TemperatureResource as observable | 
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