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Descriptions and Specifications
Item Name/No. : Voice recorder with AC adapter/SK-R028
The Recording Module provides high-quality,single chip,single-message, record/playback solution with durations of 180 seconds. The record/playback system be configured with a MIC, a speaker,several passive components,plastic shell(60*48*25mm), two buttons( a black"REC"& a white"PLAY"), and a AC adapter( 100-240V--3V). Recordings are stored in on-chip stable memory cells,providing zero-power message storage.
Typical values@ TA=25¡æ and Working Voltage=3.0V.
The following example opweating sequence demonstrates the functionality of the devices.
1. Record a message filling the memory when AC adapter puts through the power source
Pressing the"REC"(black small button) and you can hear a sound of"beep"to initiates a record cycle from the beginning of the message space ( the space between sound source and the "MIC"about 10cm). The device will automatically power down after press the"REC" button again and hearing a sound of"beep", the device stops to record,otherwise the recording continues until the message space has been filled.
Once the message space is filled, you can hear a sound of"beep-beep"and recording cease.
The old message will be covered with the new recording when re-recording new messages.
2. playback the messages
Pressing the"play"(white button) to initiates a playback cycle from the beginning of the message space.
When the device reaches the EOM maker,it automatically powers down. If a recording has filled the message space, the entire message is played. A subsequent rising edge on PLAY initiates a new play cycle from the beginning of the memory.
voice recorder with adapter.doc
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