Now we can print and add a guide tube into the hole we drilled to help smarten it up a bit. When inserting the paddle make sure the short side with the chain attached is facing the hole we just drilled. You need to do this carefully so as not to dislodge any of the balls from inside the bearings. Remove both rods from the right hand side of the barbot and thread them through the linear bearings. This is important so that the chain is not twisted in relation to where it exits the paddle. The centre of the hole needs to be 25mm back from the front rod. You'll need to make a hole through the table top about 16 mm wide halfway along the distance of the steel rods. #ROBOTIC DRINK MIXER BLUETOOTH#List of items used in this project and where to find them (the links are Amazon affiliate links and financially support this channel at no cost to you)Īrduino Uno: Motor driver: Contact Switch: Linear Bearings: Stepper Motor: Timing Belt and Pulley (2m version): Timing Belt and Pulley (5m version): HM10 Bluetooth Module: (Also makes it easy to take into the garden or a friends place). Many others out there soon get very expensive and often requires mains electrics - this is cheaper by design and runs entirely on 8 AA batteries. The aim of this project was to create a bar robot that was low cost and easy for anyone to write their own programme for. This easy Arduino based project can be 3D printed and is a cool Arduino project for beginners. Build yourself a low-cost easy to assemble bluetooth controllable robotic bartender using an Arduino Uno.
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