DYHV8F Voice Playback Module — reliable MP3 voice playback with flexible trigger and serial control Why this module helps Delivers clear, ondemand voice or audio messages without a separate media player. Ideal for systems that need automated or triggered announcements. Builtin 8MB flash storage keeps messages onboard so playback works even without external storage devices. Dual trigger options and serialport control enable easy integration into alarms, vehicles, kiosks, or industrial systems. Key benefits Simple integration: Accepts common 12V or 24V trigger inputs for immediate playback when an event occurs. Remote control: Serial port control lets microcontrollers, PLCs, or computers start, stop, and select tracks programmatically. Builtin storage: 8MB flash holds multiple MP3 files so the module is selfcontained and dependable. output options: Available 10W or 20W output power for driving external amplifiers or speakers at practical volume levels. Main features Model: DYHV8F Function: Voice/audio MP3 playback module Trigger input: 12V/24V trigger for eventdriven playback Control interface: Serial port control for precise, automated command and management Storage: 8MB onboard flash memory for MP3 files Output power: 10W or 20W options Compatibility and performance Works with systems that provide a 12V or 24V trigger signal and a serial control interface. Designed for reliable, repeatable playback of stored MP3 audio without needing additional storage hardware. Output power options allow selection based on speaker size and required volume in the application. Typical applications Vehicle announcements: Use in buses, delivery trucks, or service vehicles to play prerecorded safety or route messages triggered by door sensors or ignition. Security and access control: Play warning or confirmation messages in gate control or alarm systems when a 12V/24V trigger is received and log or control sequences via serial commands. Retail and kiosks: Integrate into pointof or information kiosks for automated greetings, instructions, or product messages controlled from a host system. Integration notes Connect trigger input to a 12V or 24V sensor or switch for automatic playback. Use the serial port for selecting specific tracks, adjusting playback behavior, or integrating with a central controller. Choose the 10W or 20W output version based on speaker power requirements and installation environment. What makes it different The DYHV8F combines onboard MP3 storage, dualvoltage trigger inputs, and serial control in a single module to simplify design and reduce the need for extra components. It fits applications where dependable, automated audio playback is required without complex setup. Include this module when you need a compact, selfcontained MP3 playback solution with flexible trigger options and programmatic control for industrial, automotive, or commercial audio announcements.