Logbook

Brain

The Raspberry Pi inside, and where its time goes. 4 of 4 skills learned.

Log 191 min read

Usage statistics, on by default

Since version 1.13.0, the robot software sends anonymous usage statistics, switched on by default. What the code says, and how to turn them off.

Brain

Log 141 min read

What the official app costs

With its camera view open, the maker's desktop app pushes the robot's load to 7 on 4 cores. Closed, it drops back to 2.4. Measurements and one simple rule.

Brain

Log 82 min read

96% CPU: where a robot's processor actually goes

My desk robot's Raspberry Pi CM4 was at 96%. A budget, thread by thread, about 750 ms of work per image, and a one-line change that halved my program's load.

Brain