DIY LED indicator module with 10 x BLUE LED scale and LM3914 driver can indicate voltage level from 2.4V to 20V. Indicator, scale 10 x blue LEDs can be used to display the level of e.g. battery charge, audio signal and many other applications. The simple design allows you to easily connect to a microcontroller, for example, Arduino Technical data Specification (IF = 20mA) Supply voltage Red: DC 1.8V Included LED matrix - indicator 10 x BLUE LED - 1 pc LM3914N-1 controller - 1 pc PCB - 1 pc Potentiometer - 2 pcs Switch - 1 pc 2-pin plug - 1 pc Resistor - 1 pc https://elecena.pl/product/22621289/led-indicator-module-diy-kit-10-x-led-scale-2-4-20v-with-lm3914-driver 2023-02-23 https://elecena.pl/product/22621289/led-indicator-module-diy-kit-10-x-led-scale-2-4-20v-with-lm3914-driver 2025-10-29