Relier Pairs Match electronic ComponentsVersion en ligne Match electronic Components par Oscar Eduardo Ospina R 1 has input and output pins and works like a simple computer 2 has two long legs connected to a blue head and measures the temperature 3 a long black cable used to connect the Arduino Uno to the computer 4 have various colours and are used to connect components to conduct electricity 5 are red and green and emit light when electricity passes through them 6 is a white support used to easily connect electronic components 7 has a circular shape and measures ambient pressure 8 cylinder shape with coloured bands, they reduce the current flowing in a circuit