QT Interface and control for HVAC system

Good Morning everyone, we are looking for a very expereienced developer/developing company that has extensive knowledge in creating interfaces and control software based on QT platform for ARM Linux. Your task will be to develop the interface and control program of a Linux based touchscreen. This touchscreen will basically act as a master of a Modbus RTU network and it will control 3 different devices (all MODBUS RTU based). 1. Room temperature controller 2. Ventilation controller 3. Another device also for temperature control It will basically send commands to them and visualise the parameters that the controller measures (temp, humidity, etc.). It will also act as a VNC server, for remote connection from a VNC client, which should be standard feature for Linux systems. No graphic concept is required, because graphics will be provided by us according to your requirements to be used in QT environment. Start with "QTtouch" your bid to be sure that you've read the description through . Please consider all above as a very rough description of the project, so that we can received bids from qualified developers that are confident with the tasks set out above. We will enter into much more detailed discusssion on the project, (including the exact fee required for it) in the following days through private message. please place your bid in the meantime to show your interest in the project.