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Setting up and updating the Raspberry Pi

First, we will set up the circuit, as follows:

Now, we will make the following connections:

Source pin	Component pin
Raspberry Pi pin 1 - 3.3V	Breadboard + railing
Raspberry Pi pin 6 - Ground	Breadboard - railing
Raspberry Pi pin 3 - GPIO 2	Temperature sensor signal pin
Raspberry Pi pin 12 - GPIO 18	LED anode pin
LED cathode pin	Breadboard - railing
Temperature sensor + pin	Breadboard + railing
Temperature sensor - pin	Breadboard - railing

We have used a current limiting resistor of 220 ohms between pin 12/GPIO 18 and the anode of a LED pin.

Once this ...

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