Product description This recording/playback module with a built-in microphone and speaker (Ø 57) is ideal for recording voice messages between 30 and 90 seconds in length (adjustable sampling frequency). You can create a funny voice by adjusting the speed. The external open-collector trigger inputs are used for recording, playback, erase, next, and volume control. + Educational: Discover the https://elecena.pl/product/29779394/soldering-kit-recording-playback-module 2026-02-07 https://elecena.pl/product/29779394/soldering-kit-recording-playback-module 2026-02-08