120 Seconds Voice Recorder and Playback
This project is designed around ISD25120 which can store 120
Seconds audio. Recording and playback operations are controlled with tact switches.
The kit has an onboard microphone and LED to indicate the functions of Play and
Recording. IC has a re recordable non-volatile memory which means that the
message will be stored even after the units are turned off and even when it is
turned on again.
Features
- Input
supply - 5 VDC @ 120 mA
- Output -
speaker, 16 Ω
- Upto 120
Seconds of non volatile voice storage
- Slide
switch for easy selection of Playback / Record mode
- Onboard
MIC capsule for recording message directly onto the chip
- Flashing
LED to display Record / Playback of messages
- ON Board
ON/OFF Switch
- Power-On
LED indicator
- Direct
speaker connection via Header Connector
- Header type connector for power supply input
- 4 pin
small tactile switches for Start / Pause and Stop / Reset
- Four
mounting holes of 3.2 mm each
Connections
Header Connector
Schematic
Connection
Block Diagram
Photos
Datasheet
PCB
No PCB images found.