Raspberry Pi GPIO with Erlang

Raspberry Pis are super cool. One of the neat things about them is that they have a ton of general purpose input/output (GPIO) pins, so you can use them to control all sorts of external devices. Unfortunately, most of the examples and applications are written in Python. I know, a lot of people really love Python, but it’s just not my cup of tea.

Enter the Erlang πGPIO library by Paolo Oliveira! This is a simple, straightforward library that implements the RPi GPIO stuff for Erlang. Using it, I have created an Erlang library to control a 28BYJ-48 5V stepper motor with a ULN2003 controller board.

Check out the library here.

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