Robotic Scalextrics

scalectrics

At the Volkswagen factory there are two towers – AutoTürme – filled with gigantic robots lifting cars into parking spaces. It’s by far the most efficient way of putting a huge number of cars in a small footprint. Slot cars exist, so how about a completely overwrought yet entirely awesome robotic parking garage for 1:32 scale cars? (.es, Google translatrix)

The project is built around several ‘racks’ to hold cars arranged around a central elevator. An Arduino takes care of moving all the motors and reading all the sensors, with the basic idea behind the project being the ability to select a car and have it appear in the pit of the track a few moments later.

Although this is just one small part of what is already a very impressive slot car track, it is however the most electronic. Other unique additions include a very unique cantilever/suspension bridge and the usual modeling techniques of creating a landscape with little more than cardboard and glue.

The best way to get a sense of how cool the parking garage is through the video. You can check that out below.

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Replacement controllers for slot car racing

replacement-controllers-for-slot-car-racing

That blur on the right is a car racing into the frame. But look around the rest of the image and you’ll see the area is littered with extra hardware. [Matthew], [Doug], and [Barry] have been hard at work adding extra functionality and replacing the original controllers on this Scalextric slot car setup. So far it looks like their build log has not caught up with all the work they’ve done. We’re hoping to learn more details as they have time to write about them (this is coursework at University so we’re sure there’s a lot on their plates). But for now there are several videos and a gallery of images to drool over.

The cars are controlled by the voltage level in the track. The team replaced the stock controllers with a Raspberry Pi. It manages that voltage using Pulse-Width Modulation via MOSFETs. This allows the races to be automated but also makes it simple for a human operator to use just about any input device imaginable to control the cars. For good measure they also added a lap counter that uses an IR LED and detector to sense when a car passes the finish line.

After viewing several of their videos we think the goal of the project is to log the fasts times without sending the cars flying off the tracks during the turns.

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