All you need to start working with temperature matrix sensors in one kit! Just copy and paste this sketch for your Arduino and Processing here.
This kit contains:
one PW104 Matrix sensor shield for Arduino Mega
one Arduino Mega 2560
one - USB A to USB B cable
one 4 x 4 temperature matrix sensor
Senstitive area size 42 cm x 42 cm (16.5"x16.5")
Overall sizes 48 cm x 48 cm (18.9"x18.9").