Lighting an LED

The most basic circuit that we will learn to wire is the LED light. The others are not much different and no harder in most cases. Click here to download PDF version Click here to download code With LEDs its is important you use the correct resistor for the correct LED. Refer to wherever you more »

The len() Function

The Len Function This function is extremely useful and often comes up in coursework tasks. It is used to work out how many characters have been used in a string or another type of object. Look and run the code below to see a simple example.   TASK Try this for yourself by editing the more »