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Course · Shipping AI interfaces
Temperature as a visible dial
A temperature slider that changes nothing is decoration; one that changes everything is a surprise. The honest dial shows its effect, names its stops, and labels its demo.
Beginner1 min read (computed · recorded 3)updated 2026-09-14aicontrolsslidercourse
by Motif Editors
revised 2026-09-14 — First publication in the bank-4 AI-interface curriculum.
— A control must show its effect — a temperature dial that cannot change the output is a fake control.
— Named stops (precise, balanced, wild) make the dial legible; a bare 0–1 is a riddle.
— A demo that snaps between fixed variants must say so — it is a demonstration, not a dial.
Every control earns its place by changing something
The temperature dial is the classic dead control: it sits in a panel, users drag it, nothing visibly changes. The honest version pairs the slider with a sample output whose register actually shifts — terse at 0.1, balanced at 0.5, expansive at 0.9. The pairing is the proof the control works, and it teaches the concept while it demonstrates.
Names beat numbers
A range from 0 to 1 is a riddle to most users; three named stops — precise, balanced, wild — are a language. The native range input with visible focus is the accessible backbone, and the demo honesty line applies: if the output snaps between fixed variants rather than interpolating, the caption says 'demo of the control', not 'real dial'.