Temperature Sensor to LED Display
This setup uses a TMP36 temperture sensor, 4 LED's, and an Arduino Uno Rev3 to read the room's temperature or anything it is in close proximity with.
Arduino UNO Rev3(most will work with this i used the uno)
1x Half Breadboard
4x 5mm LED
4x 560 Ohm resistors
9x Jumper wires