A Lego bike racetrack driven by real exercise-bike power
A tabletop goldsprint game where stationary bike power moves Lego bikes, with Claude probing the Bluetooth trainers and writing the software.
The full story
This is a work-in-progress tabletop goldsprint game: each lane is controlled by the power output of a stationary bicycle, so more watts make a Lego bike go faster. It uses a Raspberry Pi, an Arduino, DC motors and sensors.
The poster had no electronics experience and almost no coding experience. Claude helped probe the Bluetooth trainers to find where the power data lives, explained electronics basics and wrote all the software. The first version used servo motors and "worked", but the motion and speed range were poor, so the poster switched to DC motors with encoders and is rebuilding the backend and Bluetooth control.
How it was done
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Sources
From a short post by the maker, so the details are as they tell them.
- Reddit: Turning bike power into a Lego racetrack - built with Claude
The maker's post on r/ClaudeAI.
The poster has deleted it, but the original is still readable (it can take a few seconds to load): archived copy of Reddit: Turning bike power into a Lego racetrack - built with Claude (opens in a new tab)
- Photos: imgur.com
Linked in the post.