qmk/qmk_firmware

[Feature Request] Standard functions for analog keyboards

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#25,875 opened on Dec 13, 2025

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enhancementhelp wantedstale

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Description

Feature Request Type

  • Core functionality
  • Add-on hardware support (eg. audio, RGB, OLED screen, etc.)
  • Alteration (enhancement/optimization) of existing feature(s)
  • New behavior

Description

Are there any standard functions for analog keyboards (Hall Effect/TMR/inductive etc)? Like setting actuation point, rapid trigger, SOCD, OKMC, setting curve points, calibration? Or ways of scanning an analog matrix on ADCs? So far I noticed there's either HC164 bit shifters that power columns of sensors in turn, either analog switches that switch sensors output into ADCs.

Contributor guide

Research direction
This issue requests standard functions for analog keyboards in QMK. To start, review the QMK matrix scanning implementation in `tmk core` and check for any existing analog handling in `quantum/analog.c`. The comments may contain discussions about approaches for ADC scanning and rapid trigger logic. Look into how HC164 shifters are currently used and identify where analog support could be integrated.
Tech stack
c
Domain
backendinfrastructure
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Needs investigation
Prerequisites
C programmingAnalog sensor basicsQMK firmware structure
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
10