That's what I was thinking when I was reading this, an 11$ teensy uC could do the job very easily, it's got a keyboard emulator built in. I love the teensy uC,

That's what I was thinking when I was reading this, an 11$ teensy uC could do the job very easily, it's got a keyboard emulator built in. I love the teensy uC, it's completely replaced the arduino for me. So much cheaper and more capable.