Arduino is a great way for today’s novices to start to learn how to write and run codes that interact with the external world. Somebody on Facebook recently asked about finding an easy-to-use shield ...
The goal of the project is to create more I/O pins by adding another ATmega168/328 on top of an Arduino. This Arduino shield can provide an extra complete set of I/O pins to use for a total of 40 ...
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