Module with Samsung KA2284 chip, logarithmic character, presenting the input signal level by means of 5 LEDs. Control - using a jumper, we change the type of AC / DC input signal, the input sensitivity is regulated by a potentiometer. Jumper closed - DC voltage, open - AC Application audio VU Meter battery charge indicator signal level indicator in projects using AVR, ST and Arduino controllers e.t.c. Technical data The module is equipped with the KA2284 chip Supply voltage: 3.5-12V The amplitude level can be adjusted with a potentiometer Perfect module for: Voltage meter Sound level meter Dimensions: 29 x 21 mm https://elecena.pl/product/22623226/ka2284-module-sound-level-battery-charge-or-other-parameter-meter 2023-02-23 https://elecena.pl/product/22623226/ka2284-module-sound-level-battery-charge-or-other-parameter-meter 2025-10-28