Handmade out of 2 pieces of Oak timber and why not? Although it's not a monster powerful machine to use but it is perfectly fine for coding, excellent for use of the GPIO's and good enough to screen capture whilst coding with webcam use and stream live to my YouTube channel and more information can be found via more information
This controls my heating via a temperature sensor and a relay to control my central heating instead of my old thermostat. It also controls my security lights via relays and takes input via external PIR sensors. There are some additional features and more information can be found via myHome Repository