Quantity   Component name
1 × Arduino UNO Used for development, may switch to stand-alone Arduino when we finish up development.
1 × Wicked Receiver http://shop.wickeddevice.com/resources/receiver-sheild/ is an RF shield for data reception from the external sensors.
1 × Wicked Transmitter http://shop.wickeddevice.com/product/assembled-low-power-sensor-and-transmitter-node/ 433 MHz transmitter to send outside readings in to the display box.