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Modules and microcircuits of the WTV020-SD series are designed to play sound and music messages.
A micro-SD flash card is used to store audio messages.
The audio information can be changed by simply replacing or rewriting the flash card.
Recording can be done on any consumer card reader.
The main advantages of WTV020-SD modules and microcircuits:
a completely ready-to-use single-chip solution.
low cost,
minimum dimensions (module WTV020-SD (micro): only 22 x 19 mm),
allows you to store and play a large amount of audio information: up to 512 files with a total duration of up to 46 hours,
built-in high-speed audio processor, provides high-quality and clear sound,
simple connection scheme: just one microcircuit,
quick and convenient change of sound messages: by simply replacing the flash card or rewriting it on any card reader,
supported sampling rates from 6kHz to 36kHz,
supported file format WAV and AD4 (analogue mp3),
PWM output for direct speaker connection with 0.25/0.5W output power,
DAC (DAC) output for connecting an external amplifier,
5 control modes, both using buttons or individual signals, and by commands of an external microcontroller,
supply voltage 3-3.3V
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
To carry out technical calculations and obtain the exact parameters of the goods, use the datasheets from the manufacturer's website.
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The data presented in the product description are for reference only and may differ from those indicated by the manufacturer.
