# 7" Controller vs Larger Touch Screen Monitor **URL:** \ **Category:** Original/PRO Series (Buildbotics) (Gen 1)\ **Created:** [October 2, 2020, 3:30pm UTC](https://forum.onefinitycnc.com/t/7-controller-vs-larger-touch-screen-monitor/1105 "2020-10-02T15:30:35Z")\ **Posts on this page:** 1\ **Showing post:** 24
**Author:** ![charleyntexas](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.onefinitycnc.com/charleyntexas/32/118_2.png) [@charleyntexas](https://forum.onefinitycnc.com/u/charleyntexas)\ **Post date:** [December 5, 2020, 3:06pm UTC](https://forum.onefinitycnc.com/t/7-controller-vs-larger-touch-screen-monitor/1105/24 "2020-12-05T15:06:55Z")
> [@cyberreefguru](#): > > I could use UGS and not be ‘locked’ into the Buildbotics interface. Well… truth be told, your not really locked in. I built a Demon controller and with the use of some aviation plugs, I can switch back and forth between the OEM OneFinity Controller and the Demon Controller just by moving the plugs. I chose the Demon controller because it was an inexpensive build and it was needed to control my off brand laser with PicSender. It does require a PC to be added in to the mix as well where the OneFinity controller is all in one. Here is a link to the forum post were I mentioned what I have done. > [@Inexpensive controler for B axis](https://forum.onefinitycnc.com/t/inexpensive-controler-for-b-axis/1792/5): > > I needed a better solution to operate my laser. It isn’t a jtech and has weird wiring in comparison. I had used it before with Mach3 and that didn’t work well at all so I threw together a makeshift machine and built a standard grbl controller and tried it with PicSender. Bingo! Then came the OneFininity and my patchwork Laser machine got evicted. I was able to connect my L-Cheapo laser to the onefinity but it just didn’t work right due to the max voltage in the pwm signal. I could only get the … --- _[View the full topic](https://forum.onefinitycnc.com/t/7-controller-vs-larger-touch-screen-monitor/1105)._