The environment sensor pack includes the MOTHERBOARD, DIGITISER and SENSOR ARRAY. With these 3 boards you can capture data from your environment, display values on a seven segment display and even log the data on an SD card. The SENSOR ARRAY can measure temperature, relative humidity, light and sound levels. The MOTHERBOARD has a built in real time clock module that keeps time even when unplugged. The DIGITISER can display 4 digits or characters and includes 2 buttons and a potentiometer to let you control what’s being displayed, or the brightness of the display. You get to program the MOTHERBOARD, so you decide how your device functions.