PSoC 5 Laser PPI Module for USD 10
on a CY8CKIT-059 development board
Features 32-bit up/down counters for X and Y step position capture, microsecond resolution pulse width control and pass-through mode.
Based on blog post by dirktheeng.
This solution uses PSoC UDBs so no external electronics is required. It has a simple UART command interface, a more flexible one using I2C or SPI communication can easily be added - for possible gcode control.
NOTE: only bench tested with grbl and a LED as a stand in for the laser.