design and energy consumption analysis of a custom built wireless sensor node for environmental monitoring.
Wireless sensor networks (WSN) have become increasingly important in recent times. Sensor nodes are the building blocks for a typical WSN. Due to their limited computational, communication and energy abilities, the sensor nodes serve as the deciding factor for a given network design. As the fabrication technology improves, highly powerful, yet energy efficient, components are available to realize a WSN while keeping the cost at an affordable level. This paper introduces a novel wireless sensor node based on the powerful 8-bit Atmel ATMega128L microcontroller unit (MCU) equipped with the CC2420 transceiver having complete compatibility with the IEEE802.15.4. This paper enlightens the design details of the new node; providing complete details of the components used and the sensor unit design. Towards the end, the power consumption measurement results are given along with the experimental setup details.
wireless sensor node power consumption energy model extension port