THE JOURNAL
Field notes on making things follow.
Deep, build-in-public writing on UWB positioning, pursuit control, and outdoor obstacle avoidance — the engineering behind a wagon that trails you.
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UWB Tech
How UWB makes a wagon follow you
Why centimeter-accurate ultra-wideband ranging beats Bluetooth and cameras for a follower that actually keeps its distance outdoors.
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Follow DIY
Follow DIYBuilding a person-following robot: the follow-me math
The spring-damper pursuit loop behind smooth trailing. Target position, follow distance, and why a little lag is the whole point.
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Obstacle Avoidance
Obstacle Avoidance