Description
Recording Playback Shouting Module Loudspeaker Megaphone YS-SR1 Recorder Mic Amplifier Module for Broadcast Warnings
Product Description
This module is a recording loudspeaker shouting voice module, with recording playback and shouting functions, can be used in microcontroller design, special place monitoring recording, escalators, walkways, construction sites and other places voice broadcast warnings and loudspeakers!
Specification
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item
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value
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Supply voltage
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DC 3.6-5.5V
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Supply current
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>0.3A
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Recording time
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4 minutes
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Sampling rate
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32K sampling 48bit/s
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Built-in amplifier output
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3w 4-8Ohm
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Built-in microphone specification
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9*7mm 50db
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Pin spacing
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2.54mil
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Headphone jack specification
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3.5mm
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Product size
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5.2*2.9*1.0cm
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Installation Instructions
Pin description
PLAY: Amplification key, the falling edge triggers to enter the amplifying mode, used for megaphone. REC: Recording button, the falling edge triggers to enter the recording mode, and the indicator flashes to start recording. PREC: Play recording button, the falling edge triggers to start to play the recording content in a loop. P1REC: Play the recording button once, start to play the recording after the falling edge is triggered, and stop after playback. POW: Power on/off key, power on or off after falling edge trigger. GND: 5V power supply negative 5V: 5V power supply positive MIC: microphone positive and negative SPEAKER: speaker interface
Instructions for use
1. It has a recording function, up to 4 minutes of recording time, and can also play the recorded content. 2. It has the function of megaphone, which can enlarge and amplify the sound of the microphone. 3. It comes with a 3w power amplifier chip, which can directly drive a 3w internal speaker with adjustable volume. 4. The original sound output from the two-channel headphone jack has not passed through the power amplifier of the carrier board, and is used for the external audio and the power amplifier board to amplify the sound again. 5. Large volume supports customized revision, which can support up to 500 seconds of recording
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