PrimeRobotics ISD1820 Voice Recording Recorder Module With Mic Sound Audio Loudspeaker Educational Electronic Hobby Kit

the main chip: ISD1820 size: 38mm * 42.5mm the working voltage: DC 3 ~ 5V Loudspeaker: 8?, 0.5W. Power supply :3-5V, which can be accessed pin power; Audio recording control mode: the key to control or microcontroller, IO has drawn the line of control; Buttons control audio recording method of operation: REC button: record button, you can press and hold the recording, release the button to stop recording; RLAYE key: trigger mode playback, press will play this whole speech; PLAYL key: jog mode playback, press and hold until playback, release to stop playback; RPL Jumper: loop mode control, loop playback; FT Jumper: direct control, microphone voice through the speaker can playback;