The SoundBytes Custom allows you to easily add sound to your model railroad, module, diorama, or other display.  It is a flexible sound player that plays sounds from a microSD card and supports various modes of operation ranging from ambient background sound, event initiated sound effects, and a special beginning-middle-end mode for repeating effects with lead-in and lead-out sound clips. Up to four inputs can initiate playback and each event can cause a different series of sounds to play. These inputs can come from sensors, switches, various detectors, Arduinos, etc.

Complete with control board, speaker, and microSD card, the SoundBytes Custom is a full turnkey audio solution.

Features

• Custom sounds loaded using a microSD card
• Four playback modes: ambient, one-shot, continuous, and beginning-middle-end
• Four inputs with individually assigned sounds
• Playback can be initiated with switches, push buttons, an Arduino, or any device with an open-collector output
• Compatible with TrainSpotter and ATOM detectors
• Comes complete with speaker, control board, and 16GB microSD card
• Powered from 5V to 24V DC

Typical Applications

• Ambient background sounds
• Sound effects
• Voice narration

Specifications

Control Board: 3.75"(L) x 2.25"(W) x 0.5"(H)

Speaker: 1.25"(L) x 1.25"(W) x 1"(H)

Documents

User Manual

Schematic: Control Board

The complete design files are available on GitHub: Control Board and Speaker