Elmwood no more, long live Elmwood! Elmwood Electronics and PiShop are now together!
Please order via PiShop.ca, as we are no longer taking orders through this site.
More details are in our blog!

ISD1820 3-5V Voice Recording Module


Elmwood Electronics has stopped accepting orders. This product might be available at PiShop.ca. Please check this blog post about our recent team merger.

We now offer two versions!  
  • Base kit with just the speaker, wiring, and ISD1820 module (soldering required)
  • Deluxe kit with speaker and pre-soldered wiring, ISD1820 module, a mounting plate, and an AAA battery pack.  Batteries not included, and we recommend mounting everything with 2-sided tape (not included)
  • Easy to use 10 second voice recording and playback
  • High quality, natural voice recording
  • Can be used as a megaphone module
  • With loop play, jog play, single play function
  • SCM control
  • This module can directly drive 8 ohm 0.5W small speakers
  • Power supply: 3-5V, can be connected to the pin
  • Record and playback control mode: key control or SCM, control line IO has been led out
  • Up to 11 seconds of recording time

  • REC key: recording button, press and hold to record, release the button to stop recording
  • RLAYE key: trigger mode playback, click to play the current voice of the entire paragraph
  • PLAYL key: jog mode playback, press and hold to playback, release to stop playing
  • RPL jumper: loop play mode control, can be played circularly
  • FT jumper: through control, the microphone input is directly played to the speaker 
Main chip: ISD1820
Size: 38.5 x 42.8mm
Operating voltage: DC 3~5V