DY-HV20T 12/24V Voice Playback Module One-On-One Triggering Serial Port Control TF Card Storage 10/20WItem NO.: DY-HV20T

DY-HV20T 12/24V Voice Playback Module

Product Characteristics:

1. Supports MP3 and WAV decoding formats.

2. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48.

3. 24 bit DAC output, dynamic range supporting 90dB, signal-to-noise ratio supporting 85dB.

4. DC 6~35V ultra wide working voltage.

5. Supports a maximum of 32GB memory card and can be connected to the computer through a USB data cable to update and store audio files.

6. Integrated high-power amplifier output, driving a 4 Ω speaker to output 20W and an 8 Ω speaker to output 10W.

7. UART serial port controls voice broadcasting function, which can control playback, pause, song selection, volume increase or decrease, and other functions. It can select 65535 tracks with a baud rate of 9600 bit/s.

8. Supports IO one-on-one trigger playback function, with 8 IO ports triggering 8 tracks individually or a combination of 8 IO ports triggering 255 tracks.

9. Support for One_ Line single bus serial port control, which can control functions such as playback, pause, music selection, volume increase and decrease.

10. It supports 3 configured IOs to select up to 7 working modes and set the Dip switch, which is easy to operate.

11. 8-way IO design ESD protection

Interface Function Definition:

● Power negative pole: Power negative pole (GND)

● Positive pole of power supply: connected to the positive pole of a 6-35V DC power supply

● Input pin IO0 in TXD/IO0: IO trigger mode; TX pin in UART control mode, connected to the RX of the control terminal (MCU)

● RXD/IO1: Input pin IO1 in IO trigger mode; RX pin in UART control mode, connected to TX of control terminal (MCU)

● IO2: IO trigger mode input pin IO2

● IO3: IO trigger mode input pin IO3

●One_ Line/IO4: IO trigger mode input pin IO4; One_ Line 1 serial port control mode data receiving pin

● IO5: IO trigger mode input pin IO5

● IO6: IO trigger mode input pin IO6

● IO7: IO trigger mode input pin IO7

● BUSY: Output low level (0V) when playing the track, and output high level (3.3V) when playing the end

● GND: Reference ground terminal (connected to control terminal GND)

● Horn positive and negative electrodes: It is recommended to connect a 4 Ω/20W or 8 Ω/10W horn; Onboard volume adjustment knob, suitable for different power levels up to 20W