Linux Peripheral I/O (GPIO, SPI, I2C, MMIO, Serial) with Lua
$ luarocks install lua-periphery
lua-periphery is a library for GPIO, SPI, I2C, MMIO, and Serial peripheral I/O interface access in userspace Linux. It is useful in embedded Linux environments (including BeagleBone, Raspberry Pi, etc. platforms) for interfacing with external peripherals. lua-periphery requires Lua 5.1 or greater, has no dependencies outside the standard C library and Linux, is portable across architectures, and is MIT licensed.