Wireless multi-sensor gas platform for environmental monitoring

Air quality control is a monitoring task of high priority in the scope of Smart City and Smart Home applications. In fact, a number of sensors are required to successfully detect the leaks of various gases and their different concentrations. In this work, we present an autonomous multisensory wireless platform which includes both analog and digital gas sensors for environmental monitoring. The platform includes four measurement circuits with sensors of different types: one for analog catalytic/semiconductor gas sensor, two for analog electrochemical gas sensors and one for a gas sensor with digital data transmission interface. The platform ensures low power consumption and can operate either as a separate monitoring sensor node or as a part of wireless sensor network.