The Isd1700 Voice Module Is A Simple And Practical Circuit Board Designed To Quickly Familiarize And Master The Isd1700 Series Of Chips. It Is Suitable For The Entire Series Of Isd1700 Chips And Has The Characteristics Of Simple Operation And Complete Functions. Isd1700 Series Recording And Playback Chips Are Highly Integrated And High-Performance Chips. It Can Record Multiple Segments, The Sampling Rate Can Be Adjusted Between 4k And 12k, And The Power Supply Range Can Be Between 2.4v And 5.5v. Isd1700 Also Has A New Recording Prompt Function. When There Is A New Recording, The Led Will Flash Once Every Few Seconds To Remind The User That There Is A New Recording. In Addition, There Are 4 Sound Effects To Prompt The User'S Operation Results, Such As Start Recording, Stop Recording, Erase, Next Song And Erase All, Etc. The Recording Data Is Stored In The Flash Of The Chip Without Any Compression, So It Has Better Sound Quality And Can Be Stored During Power-Off. The Chip Has Two Voice Signal Input Channels, Microphone Input And Analog Signal Input. In Button Mode, When A Certain Function Operation Is Completed, The Chip Will Automatically Enter Power-Down Mode To Reduce Power Consumption. In Spi Mode, Users Can Perform More Functional Operations On The Chip. For Example, Record And Play Any Storage Address, Read And Write The Analog Path Configuration Register (Analog Pathconfiguration Register, Apc), Etc. Module Description 1. Size: About 5.2cm x 5cm; 2. Power Supply: 5v; 3. Recording Time: 75 Seconds For 6k, 60 Seconds For 8k; 4. The Chip Working Frequency Is 6khz And 8khz Optional; 5. With Power Indicator Light And Chip Indicator Light; 6. Easy To Operate, It Can Work Directly Without The Need For A Microcontroller Or Other Modules; 7. The Chip Control Pins Have Been Lead OutTo Facilitate Control Connections. ISD1700 Module Working Instructions (Button Instructions) 1. Recording Rec: Press And Hold The Rec Button, And The Led Light Will Light Up At The Same Time. At This Time, Speak To The Mic, And The Spoken Content Will Be Recorded Into The Isd1700 Voice Chip. After Recording A Section, Lift This Button And The Led Will Turn Off At The Same Time. Press It Again To Start Recording The Second Section, And Each Subsequent Section Will Be Operated In Sequence. 2. Play: There Are Two Methods, Edge Triggering And Level Triggering. (Note: After Recording Is Completed, The Playback Pointer Will Stay At The Starting Address Of The Last Recorded Segment, And When Playing Back, The Last Segment Will Be Played) Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Package Contents: 1 x voice recording and playback module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.