We need to make code in PHPoC in order to :
1) Connect to our MQTT server and publish periodical data from : DS18B20, DTH22, one analog sensor and one digital input. All these from PHPoC Black P4S-341 from Sollae Systems
2) Subscribe to a subject in order to control a Digital Output of same board
6 freelancers are bidding on average $2835 for this job
Your requirements are all clear to understand. I have enough experience in this part. But I have some question about your project. So please reply as soon as possible.