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5 Cart Lock
Speedster04 edited this page 2026-03-22 05:51:04 +01:00
Table of Contents

cart-lock

Shopping Cart lock/unlock app by RocketGod (@rocketgod-git).

Warning

This app plays audio at maximum volume automatically.

Requirements

Two WAV files must be placed in the WAV/ folder on the SD card:

Filename Function
shopping_cart_lock.wav Played when pressing Lock
shopping_cart_unlock.wav Played when pressing Unlock

If either file is missing, the Lock and Unlock buttons will not appear.

Usage

Button Action
Lock Plays the lock WAV file on loop
Unlock Plays the unlock WAV file on loop
Stop Stops playback

The audio loops continuously until Stop is pressed or the app is closed.

The log panel at the top shows diagnostic output: file scan results, playback state, and any errors.

Notes

  • Original .cu8 signal files by @jimilinuxguy
  • Audio is output through the headphone jack or internal speaker at maximum volume
  • The app requires WAV files to be present — it does not generate tones internally
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Start here

Contributors

How to collaborate
Contributing Guidelines
How to ask questions correctly

Hardware

User manual

Intended use and Legality

Applications

Misc

Developer Manual

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Note

The wiki is incomplete. Please add content and collaborate.

Important

  • This is a public wiki. Everything is visible to everyone. Don't use it for personal notes.
  • Avoid linking to external tutorials/articles; they may become outdated or contain false information.