Four high-intensity LEDs light up and react simultaneously to every sound. For different funny and practical applications e.g. sound indicator, simple sound-to-light unit for music. The unit can also be used to indicate when the doorbell or the telephone is ringing, which is particluarly interesting for the hearing-impaired. Adjustable sensitivity with potentiometer. Built-in microphone. Specifications * consumption: 0.5mA min. / 12mA max. * power supply: 9V battery (not incl.) * dimensions: 40 x 55 x 35mm / 1.6 x 2.2 x 1.4″ https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2025-01-23 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2025-02-01 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2025-03-16 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2025-10-07 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2025-10-11 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2026-02-21 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2026-02-23 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2026-04-12 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2026-05-22 https://elecena.pl/product/27743857/whadda-sound-to-light-unit-diy-kit 2026-09-18