Product Overview
With the development of society and the improvement of human rights consciousness, enterprises and service units need to improve their own sense of service, how to manage and supervise the following performers.It is always used to monitor records, so long recordings and video records go into the life.So on-board recorder, taxi recording black boxes, intercom recording, security monitoring and railway communication recording and a series of products need long time recording, and can be repeated recording, you can copy or upload, according to the law of the classified storage, with features such as time logo.Other functional applications of these products have been relatively mature, so it is generally not possible to design the original product.
Features
☆Support 8k-44.1k sample rate,8-320kbps bit rate MP3 audio file.
☆Support WAV, WMA, MP3 audio format, high quality sound.
☆Support 8k-44.1k sample rate WAV audio file.
☆Support 8k-44.1k sample rate WMA audio file.
☆Support MIC recording,LINE-IN recording,AUX recording.
☆Use TF card and U disk as memory, max 32G.
☆Adopt FAT and FAT32 file system.
☆Freely change audio contents of TF card through USB interface on PC computer.
☆Support USB sound card function.
☆Universal asynchronous serial UART communication,universal standard interface protocol,easy and flexible to control.
☆DACL and DACR output, 32-level volume for adjustment.
☆Built in clock module and battery.
☆DC 5V supply power, can charge for the battery when supply power.
☆Can set the time via send the serial port command.
☆Can set automatic delete function, to ensure delete earliest recording file when the capacity is used up.(module return FULL:0x46 0x55 0x4C 0x4C)
☆The initialize time is 3S when power on.
Specification:
Audio Format: Support 8K-44.1K sample rate, 8~320Kbps MP3 audio file
Support 8K-44.1K sample rate WAV audio file
Support 8K-44.1K sample rate WMA audio file
Storage capacity: Max support 32GB TF card
Max support 32GB U disk
USB Interface: Full speed 2.0
Power Supply: DC3.3~5V
Rated Current: 20~250mA(related with load)
IO Port Level: 3.3V TTL Level
Size: 21.3mm*37.2mm
Working Temperature: -40~85 degree
Humidity: 5%~95%
Pin Description:
![WT2000B04 Recording Sound Module]( "WT2000B04 Recording Sound Module")
![WT2000B04 Recording Sound Module]( "WT2000B04 Recording Sound Module")
Usage Occasions:
![WT2000B04 Recording Sound Module]( "WT2000B04 Recording Sound Module")