Built a CNC machine that can carve and engrave on wood. Used LinuxCNC to run the setup.

Built a CNC pen plotter from a broken DVD writer using Arduino UNO running GRBL library.

Built a IR blaster using ESP8266 that can record and transmit code from traditional remotes acting as a repeater for out of sight devices. Wrote code to control the setup and provide an interface to the user.

Built a wheel speed sensor using Arduino and a hall effect sensor.