This is a challenge issued by friends and family. The goal here is to make a robot that can bring beverages from another area to wherever the people are , allow the person to get their drink , then leave. It does not need to be fully autonomous , even remote control is acceptable. It does not need to grab them from the fridge, preloaded beverages are acceptable. This is Ez Robot though, I believe we could do better than that! Well anyways to start the project off I am using a roomba base. I picked up a stainless steel trash can last night as a outside casing. I will show you the rest as we go
By jstarne1
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Alright now that I finally have the charger I can order a battery. Fortunately for me the Amazon fulfillment center is in town so next day shipping is pretty cheap. It will go out monday and I will have it Tuesday.
Alright , great! Now that the Roomba control board has the appropriate battery and voltage I can run it without throwing the "dead battery" code and beeping. The 12v sla I had on hand are fine for many things but cannot maintain the minimum voltage to power the Roomba. Since the base can already charge this I will work on the project for the moment as it is. I noticed the Roomba battery from turnigy is bright yellow , I won't lose this thing! I charged it for about 3 hours directly plugged in , not through the home base like recommended.
Next I will wire up that ps2 connector and see if I can drive this guy around and initiate a auto dock from script. I will probably do a video for that.
Nice update. I look forward to a video.
Just remember that as long as the battery is installed inside the Roomba, there is a constant drain of about 20 to 30 ma due to the MCU always being powered and the IR receiver always on waiting for IR remote control commands. The battery will reach 12 volts in 4 to 5 days if not being charged.
Oh wow , that's a good tip. Thankyou for bringing that to my attention Robodoc. This is my first Roomba project with EZB. I didn't think of the battery going dead that quick. Well one assembled the project will be on a dock so that should keep the battery topped off. Somehow time flew by last night. I went to buy a black Christmas tree and apparently I was back after 10pm.
This project is shaping up beautifully! Keep it up Josh and we might have to build one for the EZ-Robot office using your plans
This a really neat project! I am anxious to see it in operation. Josh, my hat is off to you sir...you are a man of many talents. I will be fascinated to see the auto docking to charger. Videos...videos...videos...
Good job man!
@Jason , Thankyou , you guys absolutely could have a office beerbot. You can cheat too and not use a mini fridge compressor and just dump a bag of ice in it. I like the idea of it being a home appliance just as much as a robot too so I went the extra step. Thanks
@RGordon - Thankyou Rex , you really should plan for the next makerfaire and we can meet up agian. I will get videos.of this guy working once I have the majority of the body mounted. It's a careful process.