Pierre Michael

The Raspberry Pi foundation has introduced a great update to the single board computer that many people know and love. The...

Hi Marco, If you go to the admin page, you can find the tab for liquid sensors and calibrate them by putting the tube from the liquid sensor into some liquid, you can read the sensor and see its value. Then you can tell the sensor what to use for the ‘out’ level. It could be very little liquid, or half a bottle, it’s up to you.

Were you able to hook up the RPI to a screen to see if it boots up all the way? If the RPI is booting properly, then it could be that the Router board needs to be re-programmed or repaired/replaced.

Yes, this is a very frustrating error as I do not know the source of it. We never used to see this error until about a year ago. Not sure what happened to be honest. Usually though, the fix is to reboot the system a time or two and perhaps try connecting to bartendro using other devices with browsers. Sorry I couldn’t be of more help on this one. We’re still trying to figure out what occasionally causes this error.

Hi Chandler, The build of our images is based on Raspbian. Our images do not have extensions, and work without them, the extensions are just added for convention. See the post here: https://www.raspberrypi.org/forums/viewt...

Hello Will, Where did you get your information? According to many sources, the Norprene tubing inside the dispenser has excellent chemical compatibility with Ethyl Alcohol: https://www.bnl.gov/esh/shsd/PDF/Compres... I wouldn’t recommend swapping out the internal tubing, because the pump-head and rollers are designed precisely to work with the thickness and properties of that tubing.

Just go into the options tab and deselect "Use liquid level sensors" in order to get back to a functioning bot until you figure out what went wrong.

Yes. Not a problem at all. You can find our RPI3 image here: https://partyrobotics.com/pages/docs

That's a nice idea. It should certainly be doable. Since we are commanding a specific volume of liquid to be dispensed, you can find that variable and store it and deduct it from your inventory. Also, we already have the hooks in place for removing drinks from the menu when ingredients run out. You would just need a separate screen to inform the system how much is in each bottle to start, or a reset to 1L button in your case. Unfortunately, I don't have the time to write this, but maybe you can and share it with the community!

Hi Michael, Take a look here: https://github.com/partyrobotics/bartend...-only-mode There should be a software only mode that doesn't require hardware.

If you power up your Pi independently from a USB source and your HDMI output doesn't light up a display, then your is Pi likely dead. A Pi 3 and the latest software should get you up and running again. Download the RPI3 image here: https://partyrobotics.com/pages/docs No need to unzip when you're done. It's already an .img file. While that's downloading, download and install an image writing program for your os. https://www.raspberrypi.org/documentatio...-images/ Point it to the .img file and put it on a microSD card that's at least 4GB. Pop it into your RPI and you should be good to go. Should be that easy.

Yes, using the mini-Router board, the pumps can all be activated at the same time. You can create a drink that uses all 3 pumps and they will dispense in unison.