and he’d even be able to pull 5 V for the Arduino off of pin 16. After prototyping the circuit on a breadboard, [Saabman] attached the Pro Micro to the top of the 74HC151 with some double sided ...

Apart from understanding the Arduino's code language, one of the most confusing parts about the platform — especially for beginners — is picking the right board to use in a project. Sure, it ...

PD Micro is the first Arduino-compatible board with USB Type-C Power Delivery, which allows your project to make use of voltages from 5-20 V. It’s perfect for projects that would require ...

as described in this SparkFun tutorial (actually for the Arduino Pro Micro). Except, I could not get these to work – the compiler balked at compiling them – and I have no idea what thing I have to add ...