The game that will be presented in this chapter can run directly on Circuit Playground Express, without a need for a connected computer. This is an excellent opportunity to introduce the options you have to make your project portable on this type of board. The board can receive power from a number of different portable sources.
We'll explore two different approaches to solving the problem of portable power. Each approach uses a different connector on the board. The first connector we will look at is the Micro B USB connector, which appears in the following image:
This connector can be used to connect the board to a computer for power and to transfer your code and audio files onto the board. One approach is to attach a portable power bank to the board via USB. The following photograph shows the board being powered...
