If you have read through your nerd kits guide, you have already programmed your brand new microcontroller. Your first project was a temperature sensor.

Converting from binary to hexadecimal and hexadecimal to binary is very easy if you have got a table of the numbers or if you know the numbers well.

Let's talk about binary numbers in 60 seconds. Binary numbers is what is called a base two system. There’s two things to meet to that.