Problems configuring a RESTfull Sensor | Unknown / Unavailable

Configuration
1

Hello I have an ESP8266 which is answering with a JSON

{“status”:“ok”,“ssid”:“Gr07_IoT”,“ip”:“192.168.3.11”,“t”:27.1,“h”:27}

t = temp, h = humidity

Im always Unknown or Unavailable

This is my configuration.yaml

sensor:
  - platform: rest
    name: projectroom
    json_attributes:
      - t
      - h
    resource: http://192.168.1.13/api/wifi-info
    verify_ssl: false
    value_template: "{{ value_json.t     }}"
  - platform: template
    sensors:
      projectroom_temperatur:
        friendly_name: "Temperatur"
        value_template: "{{ state_attr('sensor.projectroom')['t'] }}"
      projectroom_humidity:
        friendly_name: "Luftfeuchtigkeit"
        value_template: "{{ state_attr('sensor.projectroom')['h'] }}"

With value_template I tried to change so much and use the Examples to Unterstand what I need. Im helpless right now

2

Try this:

sensor:
  - platform: rest
    name: projectroom
    json_attributes:
      - t
      - h
    resource: http://192.168.1.13/api/wifi-info
    verify_ssl: false
    value_template: "{{ value_json.status }}"
  - platform: template
    sensors:
      projectroom_temperatur:
        friendly_name: "Temperatur"
        value_template: "{{ state_attr('sensor.projectroom', 't') }}"
      projectroom_humidity:
        friendly_name: "Luftfeuchtigkeit"
        value_template: "{{ state_attr('sensor.projectroom', 'h') }}"